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/

What Are Coco Chips?

Coco chips are coarse pieces of coconut husk that have been washed, dried, and screened. Unlike fine coco peat, coco chips provide better airflow and structure, making them ideal for bedding applications.

Key Benefits of Coco Chips for Animal Bedding

1. High Absorbency & Odor Control
Coco chips can absorb moisture effectively while remaining dry on the surface. This helps reduce unpleasant odors and keeps animal living areas clean and comfortable.

2. Excellent Drainage & Air Circulation
The chunky structure allows urine and moisture to drain quickly, preventing soggy bedding and reducing the risk of bacteria and mold growth.

3. Dust-Free & Safe
Properly processed coco chips are low-dust, making them safe for animals’ respiratory systems—especially important for horses, small mammals, and reptiles.

4. Comfortable & Natural
The soft yet firm texture provides a comfortable surface for animals to rest on, while mimicking natural ground conditions.

5. Eco-Friendly & Biodegradable
Made from renewable coconut by-products, coco chips are 100% natural, biodegradable, and compostable—an ideal alternative to wood shavings or synthetic bedding.

Common Applications

• Horse stalls & livestock bedding

• Small animals (rabbits, hamsters, guinea pigs)

• Reptiles & amphibians (snakes, lizards, turtles)

• Poultry & pet farms

• Zoos and animal shelters

Easy to Use & Maintain

Coco chips are simple to spread and require less frequent replacement compared to traditional bedding materials. Used bedding can be composted or disposed of naturally, reducing waste and environmental impact.

The Top of Coco Chips Manufacturer in Viet Nam

Vietnam is one of the world’s major producers of coco chips (coconut husk chips), and there are several reputable manufacturers and exporters you can consider if you want high-quality products for animal bedding, horticulture, hydroponics, or landscaping.

EC: High EC (unwashed)
pH: 5.5-6.8
Moisture: ≤ 30%
Size: 1-2cm
Bag size: 45 liters

OEM packing

A Vietnamese manufacturer and exporter of washed and unwashed coco chips, known for supplying large export volumes monthly. Their coco chips are natural, absorbent, and suitable for animal bedding, reptile substrates, soil mixes, and horticultural use.

• Products: coconut husk chips (various sizes)

• Key markets: Europe, Korea, Japan, and other regions

• Supply: capable of handling high-volume export orders

COCO HITECH 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/

COCO PEAT BLOCK LOW EC is a high-quality, eco-friendly growing medium made from washed coconut coir fibers with a low electrical conductivity (EC). This product is specially processed to remove excess salts, making it highly suitable for sensitive plants, hydroponics, horticulture, and professional agriculture.

It expands quickly with water, creating a fluffy, well-aerated substrate that supports strong root development and optimal plant growth.

Key Specifications

Specification	Typical Value
Net Weight	4.8 ~ 5.2 kg/block
Block Size	30 × 30 × 10~12 cm
EC (Electrical Conductivity)	≤ 1.0 mS/cm
pH	5.0 ~ 7.0
Moisture	< 205%
Impurities	< 3%
Expansion	~70 L-75L /block
Color	Brown gold
Texture	Fine, soft, uniform granules

Low EC ensures safer, salt-free conditions for plant roots
Optimal pH range for most crops
Lightweight blocks expand to a large usable volume

Benefits & Features of coco peat block low EC

Low EC – Safe for Plants

Low electrical conductivity (< 1.0 mS) means minimal salt risk, perfect for seedlings, cuttings, hydroponics, and sensitive crops.

Excellent Structure

• High water retention

• Good aeration

• Fast root penetration

• Improves soil structure when mixed

Ready to Use

Just add water — blocks expand up to ~70 liters of quality growing media.

Eco-Friendly & Sustainable

Made from renewable coconut husk — biodegradable and environmentally responsible.

Applications of using coco peat

Horticulture & Agriculture

Seed germination
Hydroponics systems
Nurseries
Vegetable & flower production
Potting mixes

Container Loading of coco peat block

• 22 pallets

• ~22 tons

• 40’ HC container
  (ideal for export to Busan, Incheon, Gwangyang, or other ports)

COCO PEAT MANUFACTURER IN VIET NAM?

Located in Ben Tre, COCO HITECH is the well-known coco peat producers and exporters from Vietnam. COCO HITECH offers washed and low-EC coco peat blocks, processed with European technology and suitable for export and professional growing.

COCO HITECH 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/

• Weight: ~ 5 kg per block (± 500 gram).

• Size:  ~30 × 30 × 10‑12 cm.

• Electrical Conductivity (EC): For washed/low‐EC blocks: ≤ 0.5 mS/cm (or ≤1.0 mS/cm depending on standard).

• pH: Around 5.0‑7.0 or specifically 5.5‑6.8 in many specs.

• Moisture: Typically less than 15­–20% for good quality blocks.

• Expansion: One block can expand to around 70‑75 liters when hydrated.

• Impurities/Sand: Often < 3% allowed.

• Packing/loading: Example: 22 pallets / 22 tons / 40’ HC container for some producers.

Applications of coco peat block :

1. Horticulture & Gardening

• Potting mix for plants: Coco peat blocks are widely used as a substrate for potted plants, flowers, and ornamental shrubs.

• Seed germination and propagation: The fine, fibrous texture provides excellent moisture retention and aeration, helping seeds sprout faster.

• Hydroponics & vertical farming: Washed coco peat with low EC is perfect for soilless cultivation systems.

2. Agriculture & Crop Production

• Soil amendment: Coco peat improves water retention, soil aeration, and prevents nutrient leaching in farmland.

• Mulching: Blocks can be hydrated and spread around crops to reduce evaporation, regulate temperature, and suppress weeds.

• Nursery seedlings: Used for raising seedlings for vegetables, fruits, and forestry plants before transplanting.

3. Landscaping & Turf Management

• Green roofs and lawns: Provides an eco-friendly base for planting grass or small plants in urban landscaping projects.

• Erosion control: Helps retain soil on slopes and prevent runoff.

4. Export & Industrial Uses

• Commercial export: Vietnam exports coco peat blocks in 5 kg or 10 kg blocks to Korea, Japan, Europe, and the Middle East for gardening, hydroponics, and horticulture.

• Eco-friendly packaging and media: Some industries use coco peat as a natural absorbent, packing material, or substrate for mushrooms.

5. Eco & Sustainable Applications

• Organic farming: Coco peat is biodegradable, renewable, and free of chemicals, making it ideal for organic and eco-conscious farms.

  

  

• Water conservation projects: Helps retain water in dry areas or during drought conditions.

TOP COCO PEAT MANUFACTURER IN VIET NAM

Located in Mekong Delta

Premium coco peat products

Wide range of coco peat products

Hi-tech machine system

Worldwide export experience

For further information, feel free to contact us:

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

• Amy (English) : +84 965106010 (WhatsApp, Kakao, Line)
• Ms. Sally (English) +84 364 775 030‬ (WhatsApp/Wechat)
• 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/

A coco peat block (also called coir pith block or coconut coir block) is a compressed form of coco peat, which is a natural growing medium made from the fibrous dust (pith) of coconut husks.

When coconuts are processed for coir fiber (used in mats, ropes, etc.), the fine powdery byproduct — coco peat — is collected, cleaned, dried, and compressed into compact blocks of 5 kg (or sometimes 650g, 1kg, etc.).

Coco peat block 5 kgs specifications

Parameter	Standard Value
Weight	4.8–5.2 kg/block
Size	30 × 30 × 10–12 cm
EC	≤ 1.0 mS/cm ≤0.5 mS/cm
pH	5–7
Moisture	< 15%
Impurities	< 3%
Expansion	70- 75L/block

HOW TO MAKE COCO PEAT BLOCK 5 KGS?

1⃣ Harvesting mature coconut husk

The husk is separated from the coconut shell.
2⃣ Crushing the coconut husks

Coconut husk is crushed into coir fiber and coco peat
3⃣ Extracting coco peat from the crushed husks.

4⃣ Washing coco peat to reduce EC (salt content)

5⃣ Sun drying and sterilizing

6⃣ Compressing coco peat into 5kg blocks

7⃣ Packing blocks on pallets and loading into containers

COCO MANUFACTURER IN VIET NAM: If you want to know the manufacturing process of coco peat in Viet Nam, you will find it easy after watching this video. COCO HITECH is proud to be the top manufacturer of coco peat in Viet Nam.https://www.instagram.com/p/DQbixOTikAh/

• 

  

  Washed Coco Peat

  

  Definition:
  Coco peat that has been rinsed with clean water to reduce the salt content and remove impurities.

  Key Features:

  

  

  • Low EC (≤ 1mS/cm)

  • Suitable for horticulture and agriculture

  • More uniform and clean

  • Neutral to slightly acidic pH (around 5.5 – 6.5)

  • Better water retention and aeration

  Best Used For:

  • Growing vegetables, fruits, flowers, seedlings

  • Potting mixes

  • Hydroponics

  • 

    Greenhouses

  ---

  Unwashed Coco Peat

  

  Definition:
  Raw coco peat that has not been treated to remove natural salts or impurities.

  Key Features:

  

  • High EC (can be > 2 mS/cm) due to residual sea salts

  • May contain dust, sand, and small debris

  • Can harm sensitive plants due to salt stress

  • Inconsistent pH and moisture retention

  Best Used For:

  

  • Industrial use, such as oil absorption

  • Landscaping (non-sensitive areas)

  • Requires washing before use in agriculture

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/pros-and-cons-of-using-coco-peat-block/ https://cocohitech.com/pros-and-cons-of-using-coco-peat-block/#respond Wed, 28 May 2025 09:30:00 +0000 https://cocohitech.com/?p=8966 Pros of using coco peat block 5 kgs:

• Eco-Friendly & Sustainable

  

  
  Made from coconut husk waste, coco peat is a renewable and biodegradable growing medium.

• Excellent Water Retention
  Absorbs and retains water effectively, helping plants stay hydrated longer and reducing irrigation frequency.

• Improves Soil Aeration
  Keeps soil loose and well-aerated, promoting healthy root growth and preventing compaction.

• Low EC (Washed Option)
  When properly washed, coco peat has a low electrical conductivity (EC ≤ 0.5 mS), making it safe for most plants, especially seedlings and sensitive crops.

• pH Neutral to Slightly Acidic
  Typically pH 5.5–6.5, ideal for a wide range of plants without the need for major pH adjustment.

• Pest and Weed Free
  Naturally resistant to pathogens and pests; no weed seeds are present.

• Long Shelf Life & Easy Storage
  The compressed block form (30x30x12cm) saves space and is convenient for bulk storage and transport.

• High Expansion Rate
  One 5kg block can expand to approximately 70–75 liters of loose growing medium when hydrated.

• Versatile Uses
  Ideal for seed starting, potting mixes, hydroponics, mushroom farming, landscaping, and soil amendment.

Cons of coco peat block 5 kgs

• Needs Hydration Before Use
  Requires soaking in water (35-40 liters) to expand before use, which adds an extra step. But this is very simple step and take around 15 minutes

How to use a coco peat block:

you can see how a coco peat block can be used in this video:

Top Coco Peat Block Manufacturers in Vietnam

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,

• Export markets: Korea, Japan, U.S.A, Europe, China

• KINDS OF COCO PEAT

  Coco peat block 5 kgs : washed and unwashed

  

•  Coco peat brick : 500 gram/ 600 gram

  

• Coco grow bag

  

• Coco coir pellet

  

• Coco peat bag

  

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/

Today, we will visit COCO HITECH coir factory to see how the coir brick for cannabis growing can be used and production process of coir pith:

1. Collecting coco husk chips
2. Extracting coir pith
3. Washing 
4. Drying 
5. Pressing
6. Packing  

Why Use Coir for Cannabis?

1. Water Retention and Drainage: Coir retains moisture while providing excellent drainage, preventing overwatering and root rot.
2. Aeration: The fibrous texture of coir allows for high air circulation in the root zone, which is vital for cannabis.
3. Sustainable: Coco coir is a renewable by-product of the coconut industry, making it eco-friendly compared to peat moss.
4. Neutral pH: Coco coir typically has a pH of 5.5-6.5, which is ideal for cannabis nutrient uptake.
5. Reduced Risk of Pests: Coir is resistant to many soil-borne pests, reducing the need for chemical pesticides

COIR PITH  PRODUCTION AT COCO HITECH:

Normally, our customer will request buffer coco peat for cannabis growing so that our factory will

Packing and shipping to the U.S.A

• 대표: Mr.Ryan (Vietnam): +84 938244404(Kakaotalk, Wechat, Whatsapp)
• Ms.Lan ( 한국 영업 담당자 ): +84 969273598| Kakaotalk ID: hoailan98
• Ms.Vi (中文）+84397317401| 微信ID：NTTV_0608
• Ms. 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/