refrigerant gas R32 R134, ,R410a,R404,R407,R507a,R422d,R438,R1234YF mappgas mapppro Hangzhou KUWEI chemical.,ltd focus on refrigerant gas,fluoropolymer in China, products R22,R32,R134,R143,R404,R410,R507,R422,R438 R1234YFetc.with an export license, we are a stable,professional, and progressive developing company who have experience of exporting refrigerant products to the world. The mission of kuwei is to provide a customer driven approach in delivering highest quality products, we regard the quality as the guarantee of enterprise life.