PU Panel, Cold Room Door, Valve manufacturer / supplier in China, offering Color Steel Hook Type Panel, PU Sandwich Panel, Welding Ammonia Refrigeration Check Valve for Cold Storage, Refrigeration Ammonial Manual Stop Valve for Cooling and so on.
GYW is a specialized cold-chain system integration service providers in research and development, production, sale, trade, engineering, and construction. Our group is relying on the Chinese Academy of Sciences and their strong technical support. We have our deep technological strength, also closely cooperated with Beijing University and other prestigious universities. We provide advanced scientific, reasonable, first-class solutions for cold chain system.