About us
Zhejiang Keyi Technology Co., Ltd. specializes in smart cooling wearables and thermal management solutions. We develop and manufacture cooling apparel, wearable thermal systems, and electronic cooling accessories for industrial, outdoor, and healthcare applications. With an 8,000+ sqm R&D and production facility, we ensure high-quality, scalable supply for global B2B partners.
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Why Choose Us
We work directly for our clients and put client’s interests first. Innovation Guides Us As Always
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Integrated ManufacturingOur 8,000+ sqm facility includes smart textile production, SMT electronic assembly, and dedicated testing labs.
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Strong R&D CapabilityCollaboration with Tsinghua University, the Yangtze River Delta Institute for continuous innovation.
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Strict Quality Control SystemEvery product undergoes performance, durability, and environmental testing to ensure stability in demanding industrial and outdoor conditions.
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OEM/ODM SupportWe support full customization, including material selection, functional design, and private labeling, helping global brands build competitive product lines.
PRODUCTSCATEGORIES
The ideal choice for
improving efficiency.
Our products are safe and reliable, flexible and easy to use, rapid deployment and other characteristics, can be quickly adapted to different application scenarios in various industries.
Our hot sale products
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![Adjustable Cooling Vest]( "Adjustable Cooling Vest")
Adjustable Cooling VestThe vest uses reusable phase-based cooling elements that absorb and dissipate body heat through conductive and evaporative cooling mechanisms.
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![Reusable Cooling Vest for Worker]( "Reusable Cooling Vest for Worker")
Reusable Cooling Vest for WorkerThe vest uses phase-change cooling material (PCM) to absorb and regulate body heat through thermal energy transfer
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![Cooling Vests for Adults]( "Cooling Vests for Adults")
Cooling Vests for AdultsThe vest uses Phase Change Material (PCM) or Evaporative Cooling Technology to regulate body temperature. PCM inserts absorb and release thermal energy...
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![Air Conditioned Suit Jacket]( "Air Conditioned Suit Jacket")
Air Conditioned Suit JacketThe jacket uses thermoelectric cooling/heating modules (Peltier technology) integrated into four-corner adjustable units. Heat is transferred through active...
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![Ac Fan Jacket]( "Ac Fan Jacket")
Ac Fan JacketEight adjustable modules provide flexible thermal coverage and help distributors serve different working environments with one product platform.
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![AC for Clothes]( "AC for Clothes")
AC for ClothesThe garment integrates active air-circulation technology using dual fan modules to generate continuous airflow inside the clothing cavity.
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![AC for Shirt]( "AC for Shirt")
AC for ShirtAC for Shirt is a portable air-cooling system installed on work clothes. It mainly consists of an ABS fan, a brushless motor, and a lithium battery, and...
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![Air Conditioned Trousers]( "Air Conditioned Trousers")
Air Conditioned TrousersPolyester, cotton blend, lightweight technical fabrics, and customized material options are available.
Latest news and events
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![TOP 10 Semiconductor Dehumidifier Manufacturers in China 2026]()
May 14, 2026TOP 10 Semiconductor Dehumidifier Manufacturers in China 2026The semiconductor industry has extremely strict environmental requirements, particularly in humidity control during wafer fabrication, packaging, and storage...view more -
![TOP 10 Phone Heat Dissipation Manufacturers in China 2026]()
May 13, 2026TOP 10 Phone Heat Dissipation Manufacturers in China 2026As smartphone processors continue to improve in computing power, thermal management has become one of the most important technologies in the mobile electroni...view more -
![TOP 10 Handheld Cooling Fan Manufacturers in China 2026]()
May 12, 2026TOP 10 Handheld Cooling Fan Manufacturers in China 2026Handheld cooling fans have become an essential category in portable personal cooling devices, driven by rising global temperatures and increasing demand for ...view more
