The crucial role of EC and pH levels when you choose your coco peat block

Selecting a sustainable growing media requires more than just looking at the physical texture of the brick. The internal chemical balance dictates how readily your plants can access water and essential fertilizers. If these levels are off, even the healthiest seedlings will struggle to survive.

Furthermore, untreated coconut coir naturally contains high amounts of sodium and potassium salts. If a manufacturer skips the proper treatment steps, these residual salts remain trapped in the fibers. Therefore, understanding these two metrics is nonnegotiable for serious growers.

How electrical conductivity affects plant growth and the exact EC level you need

Electrical conductivity measures the total concentration of soluble salts present inside your growing medium. High salt levels draw moisture away from plant roots, leading to dehydration and visible leaf burn. Conversely, an appropriate salt level allows roots to hydrate naturally and expand without stress.

The difference between washed and unwashed coco peat

The core distinction here comes down to the manufacturing environment and the leaching process. Unwashed blocks are simply dried and compressed right after processing, leaving all coastal sea salts intact. This type of raw material requires extensive rinsing before it comes anywhere near a live plant.

Meanwhile, washed blocks undergo extensive flushing with fresh water to remove these harmful sodium chloride deposits. Reputable manufacturers spend weeks washing the raw fibers. As a result, the growing medium becomes significantly safer for sensitive crops.

The ideal electrical conductivity range for optimal root development

When shopping for your garden, you must actively seek out low EC coco peat blocks. For most agricultural applications, the electrical conductivity reading should sit below 0.5 mS/cm. This low baseline ensures the medium will not interfere with your customized fertilizer schedules.

If you start with a reading higher than 1.0 mS/cm, you risk immediate salt toxicity for young seedlings. Therefore, always request a product specification sheet from your supplier to verify the baseline readings.

Navigating pH levels to ensure maximum nutrient absorption for your plants

Acidity directly dictates nutrient availability in any agricultural setup. If the medium becomes too acidic or too alkaline, essential micro-nutrients bind to the fibers and become invisible to the plant roots. The ideal pH range for coco coir hydroponics typically falls between 5.5 and 6.5.

This slight acidity mimics the natural preference of most commercial crops, including tomatoes, peppers, and leafy greens. In addition, maintaining this narrow window prevents sudden fluctuations when you apply liquid fertilizers. Consequently, your feeding schedules yield predictable, measurable results.

Evaluating moisture content and expansion volume to get the best value

Physical characteristics matter just as much as chemical properties when you purchase compressed media. A block that holds too much internal moisture poses a risk for fungal growth during long shipping routes. Furthermore, you end up paying for water weight rather than usable material.

Checking the optimal moisture percentage before making a purchase

A properly dried block should maintain a moisture content between 15 and 20 percent. This specific range keeps the fibers flexible enough to compress without snapping, yet dry enough to prevent mold. If a block feels damp or crumbles too easily in your hands, the drying process was likely rushed.

Measuring the dehydration capacity of a standard compressed block: expansion ratio

Your return on investment relies heavily on the final expansion volume. A standard compressed 5kg block should consistently expand to yield around 70 to 75 liters of usable growing material. This impressive yield lowers your overall freight costs and storage requirements.

When you add water, the block should swell rapidly and break apart with minimal physical effort. Slow expansion usually indicates overly compressed fibers or high amounts of residual dust.

COCO PEAT BLOCK MANUFACTURER IN VIET NAM

Leading Coco Peat Manufacturers in Vietnam : COCO HITECH

• One of the top exporters in Vietnam

• Supplies washed & unwashed coco peat, coir fiber, coir mats, coir nets

• Strong export capacity: up to 100 containers/month

• Raw materials sourced from Bến Tre (coconut capital)

• Key products:

  • Coco peat block (5kg, low EC)

  • Coco pith for horticulture

  • Customized export specs

  • coco chips (washed and unwashed)

WORLDWIDE SALES TEAM:

• 대표: Mr.Ryan (Vietnam): +84 938244404(Kakaotalk, Wechat, Whatsapp)
• Amy (English) : +84 965106010 (WhatsApp, Kakao, Line)
• Ryna ( 한국 영업 담당자 ): +84 0364775030
• Vi (中文）+84397317401| 微信ID: Nttv0608
• Website: https://cocohitech.com
• Website: https://kr.cocohitech.com(Korea)
• Website: https://cocohitech.jp/ (Japan)
• Youtube: https://www.youtube.com/watch?v=X7uwnNDKJ4M&t=70s
• Instagram: https://www.instagram.com/cocohitech/

1. COCO HUSK COLLECTION

• Collect coconut husks (outer shell of coconut) from processing plants or farms.

• These husks are the by-product of coir fiber extraction.

2. Fiber Extraction

• the husks are fed into a de-fibering machine to extract coir fibers and coco peat .

• The residue left behind is called coir pith or coco peat.

4. Sieving & Cleaning

• The dried coco peat is sieved using a vibrating sieve to remove large fibers, stones, or sand.

• Some producers use magnetic separators to remove metal impurities.

5. Washing (for Low EC Grade)

• To make low EC coco peat (for horticulture), the material is washed with clean water to remove excess salts.

• Washing continues until EC (electrical conductivity) is below 1.0 mS/cm or 0.5mS/cm

• Excess water is removed using squeezing machines.

  

6. Buffering of coco peat  (Optional)

• Some high-end growers require buffered coco peat.

• Buffering involves soaking the peat in calcium nitrate or magnesium nitrate solution to replace sodium and potassium ions.

7. Drying

• After washing/buffering, the coco peat is dried again until the moisture is below 15%.

8. Compression into Blocks

• The dried, cleaned peat is loaded into a hydraulic block press machine.

• The machine compresses the peat into 5kg blocks (common size), sometimes called bale blocks.

• Other sizes: 650g bricks, grow bags, or open-top bags.

9. Packing

• Blocks are wrapped in plastic film or UV-printed PE bags.

• Packed into pallets or bulk-loaded into containers for export.

10. Loading into Container

• 40’ HC container can carry approx:  23-24 tons of 5kg blocks (about 4,400 blocks)

11. The Advantages of Using Coco Peat Block

• Improved root growth
• Improved drainage and reduced the risk of root rot
• Improved Nutrient Retention

COCO PEAT BLOCK MANUFACTURER AND EXPORTER IN VIET NAM

COCO HITECH is proud to be the Top coco peat manufacturer in Viet Nam, our products are coco peat block, coco peat bag, coco grow bag, coco slab, open top bag. COCO HITECH always try the best to deliver and offer most competitor price and maintain top coco peat block to customer.
For price and cooperation, feel free to contact with us:

• Sales Director: Mr.Ryan (Vietnam): +84 938244404(Kakaotalk, Wechat, Whatsapp)
• Amy (English) : +84 965106010 (WhatsApp, Kakao, Wechat, Line)
• Ryna ( 한국 영업 담당자 ): +84 0364775030
• Vi (中文）+84397317401| 微信ID: Nttv0608
• Website: https://cocohitech.com
• Website: https://kr.cocohitech.com(Korea)
• Website: https://cocohitech.jp/ (Japan)
• Youtube: https://www.youtube.com/watch?v=X7uwnNDKJ4M&t=70s
• Instagram: https://www.instagram.com/cocohitech/

Standard Specifications of  Washed Coco Peat

Feature	Specification
Weight	4.8 – 5.2 kg/block
Size	30 × 30 × 10–12 cm
EC (Electrical Conductivity)	≤ 0.5 mS/cm (Low EC, washed)
pH	5.5 – 6.5
Moisture	< 20%
Expansion Volume	~70-75 liters/block (after re hydration)
Impurities	< 3%
Packaging	220 blocks/pallet, 22 pallets/40’HC

  Standard Specifications of  unwashed Coco Peat

Feature	Specification
Weight	4.8 – 5.2 kg/block
Size	30 × 30 × 10–12 cm
EC (Electrical Conductivity)	> 1mS/cm (high  EC, washed)
pH	5-7
Moisture	< 20%
Expansion Volume	~70 -75 liters/block (after re hydration)
Impurities	< 3%
Packaging	220 blocks/pallet, 22 pallets/40’HC

Main Uses of coco peat block

• Seed starting
• Soil amendment (improves aeration & moisture retention)
• Hydroponic systems
• Potting mixes
• Nurseries and greenhouses

How to Use coco peat block

1. Place the block in a container.
2. Add 20–25 liters of water per block.
3. Wait 15–30 minutes.
4. Break it apart with your hands or tools.

COCO PEAT BLOCK MANUFACTURER AND EXPORTER IN VIET NAM

COCO HITECH Co.,ltd is proud to be the top coco peat manufacturer in Viet Nam, we produce coco peat block, coco peat brick, coco peat bag, coco coir pellet, coco grow bag, open top coco peat,

For further information, feel free to contact with us:

• Sales Director: Mr.Ryan (Vietnam): +84 938244404(Kakaotalk, Wechat, Whatsapp)
• Amy (English) : +84 965106010 (WhatsApp, Kakao, Wechat, Line)
• Ryna ( 한국 영업 담당자 ): +84 0364775030
• Vi (中文）+84397317401| 微信ID: Nttv0608
• Website: https://cocohitech.com
• Website: https://kr.cocohitech.com(Korea)
• Website: https://cocohitech.jp/ (Japan)
• Youtube: https://www.youtube.com/watch?v=X7uwnNDKJ4M&t=70s
• Instagram: https://www.instagram.com/cocohitech/

]]> https://cocohitech.com/coco-peat-block/feed/ 0 https://www.youtube.com/embed/X7uwnNDKJ4M Coco Hitech JSC Makes Coconut Fiber Mat In Vietnam | +84938244404 | Korea sub nonadult https://cocohitech.com/coco-husk-chips/ https://cocohitech.com/coco-husk-chips/#respond Tue, 27 May 2025 04:07:54 +0000 https://cocohitech.com/?p=8953 Coco husk chips are small pieces of coconut husk that have been chopped or cut into uniform sizes. They are a by-product of the coconut industry and are commonly used in horticulture and agriculture.

Key Features of coco chips:

• Natural & Eco-Friendly: 100% organic and biodegradable

• Good Water Retention: Holds moisture while allowing air flow

• Excellent Drainage: Prevents root rot by draining excess water

• Long-lasting: Decomposes slowly, ideal for long-term use

• pH Neutral to Slightly Acidic: Suitable for most plants

  

Common uses of coco chips:

• Orchid and Bonsai Growing Medium

• Soil Conditioner or Mulch

• Hydroponic and Soil-less Cultivation

• Potting Mix Ingredient

  

Specifications of coco chips:

• Size: 2mm, 3mm,

• Moisture: <15%

• Impurities: <2–3%

• pH: 5.5–6.5

• EC (Washed): ≤ 0.5 mS/cm

Packing of coco chips in container 40″HC: 1000 bag/ 40’HC.

For further information, feel free to contact with us:

• Sales Director: Mr.Ryan (Vietnam): +84 938244404(Kakaotalk, Wechat, Whatsapp)
• Amy (English) : +84 965106010 (WhatsApp, Kakao, Wechat, Line)
• Ryna ( 한국 영업 담당자 ): +84 0364775030
• Vi (中文）+84397317401| 微信ID: Nttv0608
• Website: https://cocohitech.com
• Website: https://kr.cocohitech.com(Korea)
• Website: https://cocohitech.jp/ (Japan)
• Youtube: https://www.youtube.com/watch?v=X7uwnNDKJ4M&t=70s
• Instagram: https://www.instagram.com/cocohitech/

Coir rope is known for its strength, durability, and resistance to saltwater, making it suitable for various applications, particularly in maritime settings. It is commonly used for activities such as sailing, fishing, and general maritime work. Additionally, coir rope is also used in agriculture, gardening, and crafts due to its natural appearance and texture.

Based of thickness of the coir rope. There are several kinds of coir rope available, each with its own characteristics and suitability for different purposes. Here are some common types:

# Coir rope 4-5 mm

# Coir rope 5-6 mm

# Coir rope 12-14 mm

# Coir rope 16-18mm

# Coir rope 18-22mm

# Coir rope 30-32mm

These are just a few examples of the kinds of coir rope available. The choice of which type to use depends on fact

At COCO HITECH, you will see how a coir products has been made from coconut and exported to a lots of countries over the world. COCO HITECH are proud to be among the Top manufacturer of coir mat, coir net, coir shade sail, coir fiber. coir tape, coir felt…. tried to deliver the best option to customer at lowest price. If you have any inquiries feel free to contact with our dedicated sales team:

If you have any inquiries feel free to contact with our dedicated sales team:

대표: Mr.Ryan (Vietnam): +84 938244404 (Kakaotalk, Wechat, Whatsapp)

Ms.Lan ( 한국 영업 담당자 ): +84 969273598 | Kakaotalk ID: hoailan98

电话 (阮秀钗) +84 933320776 微信ID：TuTram1008

Ms.Han（日本) : +84 974819071 I Line: cocohitech.info

Ms.Vi (中文）+84397317401 微信ID：NTTV_0608

Amy (English) : +84 965106010 (WhatsApp, Kakao, Line)

Website: https://cocohitech.com/

Website: https://kr.cocohitech.com/ (Korea)

Website: https://cocohitech.jp/ (Japan )

Youtube: https://www.youtube.com/watch?v=X7uwnNDKJ4M&t=70s

Instagram: https://www.instagram.com/cocohitech/

1. Biodegradable: Coir is a natural material that decomposes over time, making it an environmentally friendly option. This is important in aquaculture systems where minimizing environmental impact is a concern.
2. Buoyancy: Coir has natural buoyancy, which is beneficial for mussel farming. It helps keep the ropes afloat and prevents them from sinking, allowing mussels to grow in a suspended manner.
3. Resistance to Decay: Coir has natural resistance to decay, which makes it durable and long-lasting in aquatic environments. This is important for ensuring the longevity of the mussel farming infrastructure.
4. Flexibility: Coir rope is flexible, making it easy to handle and work with during installation and maintenance. The flexibility also allows for better adaptation to different farming conditions.
5. Cost-Effective: Coir is often more cost-effective than some synthetic alternatives. This can be particularly advantageous for small-scale or environmentally conscious mussel farming operations.

   

When using coir rope for mussel farming, consider the following tips:

• Treatment: While coir is naturally resistant to decay, it’s essential to ensure that the coir ropes used in mussel farming are free from contaminants or treatments that could harm the marine environment.
• Installation: Proper installation is crucial for the success of mussel farming. Ensure that the coir ropes are securely attached and suspended in a way that promotes the growth of mussels.
• Monitoring: Regular monitoring of the coir ropes and mussel growth is necessary to identify any issues and make adjustments as needed.
• Harvesting: Coir ropes can be easily harvested along with the mussels. Carefully lift the ropes out of the water to harvest the mussels without damaging the coir.

Before implementing coir ropes in mussel farming, it’s advisable to consult with local aquaculture experts or organizations to ensure that it aligns with regional regulations and environmental guidelines.

COIR ROPE PRODUCER IN VIETNAM – COCO HITECH 

At COCO HITECH, you will see how a coir products has been made from coconut and exported to a lots of countries over the world. COCO HITECH are proud to be among the Top COIR  PRODUCER in VIETNAM such as coir rope, coir net, coir shade sail, coir fiber. coir tape, coir felt…. tried to deliver the best option to customer at lowest price. If you have any inquiries feel free to contact with our dedicated sales team:

대표: Mr.Ryan (Vietnam): +84 938244404 (Kakaotalk, Wechat, Whatsapp)

Ms.Lan ( 한국 영업 담당자 ): +84 969273598 | Kakaotalk ID: hoailan98

电话 (阮秀钗) +84 933320776 微信ID：TuTram1008

Ms.Han（日本) : +84 974819071 I Line: cocohitech.info

Ms.Vi (中文）+84397317401 微信ID：NTTV_0608

Amy (English) : +84 965106010 (WhatsApp, Kakao, Line)

Website: https://cocohitech.com/

Website: https://kr.cocohitech.com/ (Korea)

Website: https://cocohitech.jp/ (Japan )

Youtube: https://www.youtube.com/watch?v=X7uwnNDKJ4M&t=70s

The coir fiber mat should be under called under the name of coir mattress, coir sheet, coir tape, coir felt….

Coir fiber mats are made by pressing  and mixing coir fiber with natural melt latex then will be cut into variable small size up on customer request.

COIR FIBER MAT USED FOR GROWING 

COIR MAT USED FOR INSULATION (ISULATION MAT)

COIR MAT USED FOR COVER TREE ROOT IN THE WINTER

At COCO HITECH, you will see how a coir products has been made from coconut and exported to a lots of countries over the world. COCO HITECH are proud to be among the Top manufacturer of coir mat, coir net, coir shade sail, coir fiber. coir tape, coir felt…. tried to deliver the best option to customer at lowest price. If you have any inquiries feel free to contact with our dedicated sales team:

If you have any inquiries, feel free to contact with our team sales.

대표: Mr.Ryan (Vietnam): +84 938244404 (Kakaotalk, Wechat, Whatsapp)

Ms.Lan ( 한국 영업 담당자 ): +84 969273598 | Kakaotalk ID: hoailan98

电话 (阮秀钗) +84 933320776 微信ID：TuTram1008

Ms.Han（日本) : +84 974819071 I Line: cocohitech.info

Ms.Vi (中文）+84397317401 微信ID：NTTV_0608

Amy (English) : +84 965106010 (WhatsApp, Kakao, Line)

Website: https://cocohitech.com/

In terms of shape and size, coir shade sails can come in various configurations to suit different preferences and functional requirements. The most common shapes for shade sails include:

COIR SHADE SHAPE

1. Triangle: Triangular shade sails are popular for their simplicity and effectiveness. They can be arranged individually or in a series to cover larger areas.

2. Square: Square shade sails provide a more structured look and are often used in settings where a clean and modern appearance is desired.

3. Rectangle: Rectangular shade sails provide a more structured look and are often used in settings where a clean and modern appearance is desired.

4. Custom Shapes: Depending on your specific needs and the layout of your outdoor space, you can also find or order custom-shaped coir shade sails.

When determining the size of your coir shade sail, consider the following factors:

1. Area to be Covered: Measure the area you want to shade to determine the size of the shade sail needed. Ensure that the sail is large enough to provide adequate shade.
2. Attachment Points: Shade sails need to be securely anchored to fixed points such as walls, poles, or other structures. The distance and layout of these points will influence the size and shape of the shade sail.
3. Sun Direction: Consider the path of the sun throughout the day to optimize the positioning of your shade sail for maximum coverage during peak sunlight hours.
4. Local Regulations: Check local regulations and building codes to ensure compliance with any restrictions on the size and placement of shade structures.
When installing a coir shade sail, it’s important to ensure proper tension and secure attachment to prevent sagging or flapping in the wind. Professional installation may be recommended for larger or more complex setups.

COIR SHADE SAIL SIZE

The size of coir shade sail is flexible and can be tailor-made based on customer inquiries.  Kindly contact with our sales for further detail.

TRIANGLE COIR SHADE SAIL

TRIANGLE COIR SHADE SAIL

RECTANGLE COIR SHADE SAIL

SQUARE COIR SHADE SAIL

At COCO HITECH, you will see how a coir mat was made and used all over the world. COCO HITECH are proud to be among the Top manufacturer of coir mat, coir net, coir shade sail, coir fiber,  tried to deliver the best option to customer at lowest price. If you have any inquiriesm feel free to contact with our desdicated sales team:

If you have any inquiries, feel free to contact with our team sales.

대표: Mr.Ryan (Vietnam): +84 938244404 (Kakaotalk, Wechat, Whatsapp)

Ms.Lan ( 한국 영업 담당자 ): +84 969273598 | Kakaotalk ID: hoailan98

电话 (阮秀钗) +84 933320776 微信ID：TuTram1008

Ms.Han（日本) : +84 974819071 I Line: cocohitech.info

Ms.Vi (中文）+84397317401 微信ID：NTTV_0608

Amy (English) : +84 965106010 (WhatsApp, Kakao, Line)

Website: https://cocohitech.com/

Website: https://kr.cocohitech.com/

Website: https://cocohitech.jp/

Youtube: https://www.youtube.com/watch?v=X7uwnNDKJ4M&t=70s

Coir mats are made of 100% natural coir fiber that are generally safe for dogs, and many pet owners use them as doormats or entrance mats to help keep dirt and moisture from being tracked into the house. These  advantages will inspire you to buy coir mat for your beloved pets.

1. Scratching and Comfort: Cats, in particular, may be inclined to scratch at the mat. While coir is durable, repeated scratching may cause wear over time. If scratching is a concern, you might want to consider providing a designated scratching post for your cat.
2. Water and Stain Resistance: Pets can sometimes have accidents or bring in wet paws. Look for coir mats that are treated or designed to be resistant to water and stains. This will make cleaning easier and prevent odors.
3. Size and Thickness: Ensure that the mat is appropriately sized for the space and that it has enough thickness to effectively trap dirt and moisture. A thicker coir mat with a tight weave is generally more effective at cleaning paws.
4. Easy to Clean: Pets can be messy, so choose a coir mat that is easy to clean. Shake it out regularly to remove loose dirt, and consider mats that can be easily hosed down or vacuumed for deeper cleaning.
5. Non-Slip Backing: To prevent the mat from sliding around, especially in high-traffic areas or if your pet tends to run in and out, look for a coir mat with a non-slip backing.
6. Pet-Friendly Design: Some coir mats come with cute or pet-themed designs. These can add a touch of personality to your space while still serving a functional purpose.

   

Always monitor your pet’s behavior with any new mat or accessory to ensure their safety and well-being. If you have specific concerns or requirements for your pet, you may want to explore specialized pet mats or rugs designed with pets in mind, as these often incorporate features such as moisture resistance and easy cleaning.

While coir mats can be a practical and attractive choice for pet owners, it’s essential to observe your dog’s behavior and preferences. If you have specific concerns or if your dog has unique needs, you may also explore specialized pet mats designed for durability, comfort, and easy cleaning. Always prioritize your dog’s safety and comfort when choosing accessories for your home.

Where to buy Coir mat for dogs? 

At COCO HITECH, you will see how a coir mat was made and used all over the world. COCO HITECH are proud to be among the Top manufacturer of coir mat, coir net, coir shade sail, coir fiber,  tried to deliver the best option to customer at lowest price. If you have any inquiriesm feel free to contact with our desdicated sales team:

If you have any inquiries, feel free to contact with our team sales.

대표: Mr.Ryan (Vietnam): +84 938244404 (Kakaotalk, Wechat, Whatsapp)

Ms.Lan ( 한국 영업 담당자 ): +84 969273598 | Kakaotalk ID: hoailan98

电话 (阮秀钗) +84 933320776 微信ID：TuTram1008

Ms.Han（日本) : +84 974819071 I Line: cocohitech.info

Ms.Vi (中文）+84397317401 微信ID：NTTV_0608

Amy (English) : +84 965106010 (WhatsApp, Kakao, Line)

Website: https://cocohitech.com/

Website: https://kr.cocohitech.com/

Website: https://cocohitech.jp/

Youtube: https://www.youtube.com/watch?v=X7uwnNDKJ4M&t=70s

ADVANTAGES OF USING COCO PEAT FOR CANNABIS :

1. Water retention and aeration: Coco peat can hold water well while still providing good aeration to the roots. This helps prevent over watering and allows the roots to access the oxygen they need.
2. pH stability: Coco peat tends to have a neutral pH, which is suitable for cannabis cultivation. However, it’s important to monitor and adjust the pH as needed, as coco coir can sometimes drift towards acidity.
3. Sterility: Coco peat is relatively sterile, reducing the risk of pests and diseases in your cannabis plants. However, it’s still important to ensure proper hygiene practices in your growing environment.
4. Environmentally friendly: Coco peat is a sustainable and renewable resource, making it an environmentally friendly choice for growers.

NOTICE WHEN USING COCO PEAT FOR CANNABIS

• Hydration: Coco peat usually comes in a dehydrated block or bag. Before use, it needs to be rehydrated with water. Follow the manufacturer’s instructions for proper rehydration.
• Nutrient supplementation: While coco peat provides a good base, it lacks some essential nutrients. You’ll need to supplement with a nutrient solution suitable for cannabis cultivation. Coco-specific nutrient formulations are available and are designed to work well with the properties of coco coir.
• pH monitoring: Regularly monitor and adjust the pH of your nutrient solution. Coco peat has a buffering capacity, but it’s still important to keep the pH in the optimal range for cannabis growth.
• Flush regularly: Because coco coir retains salts more than some other growing media, it’s advisable to periodically flush the medium with plain water to prevent nutrient build up.

 COCO PEAT MANUFACTURER

COCO HITECH are proud to be among the Top manufacturer of coco peat in Vietnam. Below is the list of our coco peat products. In November, we run promotion campaign 10$ discount for first coming 10 PO all coco peat product kinds. Quickly to send Order to us to get promotion.

대표: Mr.Ryan (Vietnam): +84 938244404 (Kakaotalk, Wechat, Whatsapp)

Ms.Lan ( 한국 영업 담당자 ): +84 969273598 | Kakaotalk ID: hoailan98

电话 (阮秀钗) +84 933320776 微信ID：TuTram1008

Ms.Han（日本) : +84 974819071 I Line: cocohitech.info

Ms.Vi (中文）+84397317401 微信ID：NTTV_0608

Amy (English) : +84 965106010 (WhatsApp, Kakao, Line)

Website: https://cocohitech.com/

Website: https://kr.cocohitech.com/

Website: https://cocohitech.jp/

Youtube: https://www.youtube.com/watch?v=X7uwnNDKJ4M&t=70s