Audited Supplier
Item | Unit | Rating | |
Surface density | kg/m³ | 48 | |
Thermal conductivity | -20ºC | w/(m.k) | ≤0.030 |
0ºC | ≤0.032 | ||
40ºC | ≤0.037 | ||
Water vapor permeability | Water vapor permeability | g/(m.s.Pa) | ≤1.3*10-10 |
Moisture resistance | ≥1.5*103 | ||
Water absorption in vacuum | % | 3 | |
Burning performance | B1(C-S3,d0,t1) | ||
Demension stability(200°F,7days) | Tength | % | 4.1 |
Thickness | % | 7 | |
Service temperature | ºC | -40~105 | |
Reaction to fire | Self-Extinguishing,No dripping | ||
Zhejiang Hailiang Co., Ltd. ("Zhejiang Hailiang" or "The company") is the core subsidiary of Hailiang Group, which is also a Sino-foreign joint venture. Since 2001, the company is concentrated on R & D, fabrication, sale and service of top quality copper products (tube, coil, bar, fitting, new electronic material, manufacturing facility and etc.). The company's total assets is 1.7 billion USD, has become one of the largest and most competitive copper fabrication and export enterprise in the world.
Core business of Zhejiang Hailiang has developed as three series: copper tube, bar and fitting; aluminum products and copper-aluminum compound bar, which contains eight series of main products: copper alloy tube, HVAC tube, seamless copper water/gas tube, precision copper bar, copper/brass fitting, aluminum multi-port extrusion, aluminum profile and copper-aluminum compound bar. The company's products cover hundreds of alloy numbers and thousands of specifications, are widely used in air conditioning and refrigeration, HAVC, water desalination, nuclear power, thermal power, equipment manufacturing, automotive industry, electrical, transportation, hardware machinery and other industries. In recent years, Zhejiang Hailiang is concentrated on top-grade products, such as high-efficient inner grooved copper coil, new copper alloy tube and environmentally lead-free copper bar, made product structure becoming more and more optimized.
Zhejiang Hailiang obtains five manufacturing bases which are located in Zhejiang, Shanghai, Anhui, Guangdong and Vietnam. The company has accumulated lots of loyal customers, trading with 188 countries and regions, more than 2,000 customers have established long-term business partnership, established strategic partnership with leading enterprises in the industry.
