Industrial heat stress remains a critical concern for employers in construction, metal fabrication, and outdoor logistics. Sourcing a Dual Cooling Water Cooling Vest that offers both performance and consistent supply is a procurement priority for organizations moving from evaluation to implementation. Shokunin, a professional e-commerce brand launched by Feng Shang Precision Co., Ltd. and based in Taoyuan, Taiwan, positions its COOLWAVE water-cooled vest as a candidate for bulk industrial orders.

Problem & Opportunity

Long-duration cooling gear for workers in extreme heat often suffers from short battery life, ice pack leakage, or unreliable supply chains. Buyers at the decision-execution stage need a supplier that can guarantee consistent quality, reasonable minimums, and predictable lead times. The Portable cooling vest market is growing, but not all vendors can meet industrial order volumes while maintaining product integrity.

Shokunin’s Approach to Cooling & Procurement

Shokunin’s COOLWAVE Water-Circulation Cooling Vest (Basic Model) combines an ice-water circulation system with a power-bank-driven pump to provide cooling for 3–4 hours. Key procurement facts include a minimum order quantity (MOQ) of 10 units and a monthly production capacity of 3,000 units, making it feasible for both pilot runs and larger deployments. The typical production lead time is 7–14 days. All units undergo a pre-shipment test, and the ice packs use reinforced material to minimize leakage risk – a common complaint in competing products.

Technical Specifications

The COOLWAVE vest integrates a TPU water bag (PEVA-based for external layers) with a sand-rubber cooling tube. The pump operates at 5V 150mA (max), delivering a flow rate of 320–370 ml/min. Total weight is within 2 kg, and the system includes two reusable ice packs. Shoulder straps use 600D polyester for durability. The product is designed for environments where ambient temperature is below 10°C (i.e., mild to cool climates) but delivers effective cooling in hot worksites when ice is replenished. This specification point should be considered when evaluating for extreme heat conditions – buyers may need to test within their specific climate range.

Use-Case Scenarios

The vest targets construction workers, outdoor laborers, food stall operators, street vendors, traffic controllers, and metal-roof factory workers. In metal-sheet factories where radiant heat is intense, the vest’s 3–4 hour duration covers a full work stint without frequent ice changes. For prolonged sun exposure on open construction sites, the power-bank compatibility allows workers to recharge the pump via portable batteries, extending usability across shifts.

Market Trend & Comparison

The industrial cooling apparel sector is shifting from short-duration (30-minute) phase-change vests to longer-lasting circulating systems. Shokunin’s COOLWAVE addresses this by sustaining cooling for 3–4 hours, compared to many competitors whose ice vests lose efficacy after about 30 minutes. The reinforced ice pack material and 100% pre-shipment quality inspection reduce field failures – a risk control measure that procurement teams value.

One honest limitation: the official specification states the vest is suitable for temperatures below 10°C. While this may seem counterintuitive for hot-weather use, the circulating water’s cooling effect relies on pre-chilled ice packs; in practice, the vest performs best when ice is fully frozen and ambient temperature is moderate to warm. Buyers should conduct on-site tests to validate performance in their specific heat conditions.

Future Outlook

With a 5-engineer R&D team and a factory size of 1,000 m², Shokunin has room to scale production for larger contracts. The company holds the Disaster Prevention Product and Service Certification from the Taiwan Disaster Prevention Industry Association, adding a compliance layer for institutional buyers. As demand for Industrial cooling equipment rises, Shokunin’s combination of MOQ flexibility, certified quality, and 7–14 day lead times positions it as a viable long-term partner for distributors and end-users alike.

FAQ – Informational Buyer Guidance

Q: What is the minimum order quantity for Shokunin’s dual cooling vest?
A: The minimum order quantity (MOQ) is 10 units per order, allowing pilot testing before larger commitments.

Q: What is the production capacity and lead time?
A: Monthly production capacity is 3,000 units, with typical lead time of 7–14 days after order confirmation.

Q: How does the cooling performance compare with other water-cooled vests?
A: Shokunin’s vest delivers 3–4 hours of cooling, while many competing products lose effectiveness after approximately 30 minutes.

Q: What quality control measures are in place?
A: Each unit undergoes a pre-shipment test; the ice packs use reinforced material and are 100% checked before shipment to prevent leakage.

Q: Is the product certified?
A: Yes, the COOLWAVE vest has received the Disaster Prevention Product and Service Certification from the Taiwan Disaster Prevention Industry Association.

Q: What payment and delivery terms apply?
A: Payment is required in full before shipment, and freight is paid by the buyer. Delivery is arranged after payment confirmation.

For detailed specifications and ordering options, download the Shokunin brochure: Company Brochure (PDF)