About Us
Haikou 330 Carbon Technology Co., Ltd.
A manufacturer of phase change material thermal management products, serving overseas importers, distributors and brand clients across four application lines.
Company
Who we are
Haikou 330 Carbon Technology Co., Ltd. develops and manufactures products based on phase change material thermal management. The company works across four solution lines — personal heat relief, building energy efficiency, cold chain logistics, and solar and industrial waste heat recovery — with personal heat relief as the current development focus. Products are supplied to overseas importers, distributors and brand clients, and OEM and ODM development is available for custom specifications.
6
University institutional support
20+
patented technology
3000㎡
Factory area
OEM / ODM
Cooperation model
Mission
To use phase change thermal management to reduce unnecessary energy use and protect people working in high heat.
Vision
To become a dependable manufacturing partner for thermal management products across personal, building, logistics and industrial applications.
Milestones
How the company developed
Foundation
Company established in Haikou
Haikou 330 Carbon Technology Co., Ltd. was set up to develop phase change thermal management products for carbon reduction applications.
Research
PCM formulation and encapsulation
Work focused on material formulation, transition temperature control and sealed encapsulation suitable for repeated daily use.
Productisation
Personal heat relief product line
Cooling vests and cushions were developed across high-visibility, protective and lifestyle variants for different user groups.
Expansion
Four solution lines
The same core technology was extended into building energy efficiency, cold chain logistics and solar and industrial waste heat recovery.
International
Export and OEM cooperation
The company began serving overseas distributors and brand clients with OEM and ODM development, supported by a multilingual website.
Facilities
Research, production and dispatch
Material formulation and thermal testing, encapsulation and garment assembly, and export packing are handled within the same operation.
How we work
Three commitments to overseas partners
Engineering first
Every product starts from a measured thermal requirement rather than a fixed catalogue specification.
Consistent supply
Formulation, encapsulation and assembly are controlled in-house so repeat orders stay consistent.
Transparent data
Test reports and material data are provided on request to support client-side approval processes.
Registered entity
Company details
- Legal name
- Haikou 330 Carbon Technology Co., Ltd.
- 海口市三三零碳科技有限公司
- Brand
- 330 Technology / 三三零科技
- Business scope
- PCM thermal management products for personal heat relief, building energy efficiency, cold chain logistics, and solar and industrial waste heat recovery.
Contact details
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