... material, DZR, H57-3, CW617-N 2. ISO 9001:2000 & CE certification Brass tube chrome-platedDescription:•:Size : 1/2"X1/2" 10mm, 20mm,25mm ... ,30mm,40mm,50mm,3/4"x3/4" 10mm,20mm...•:Material : ... 13 years. • Have rich experience and strong ability to develop new products.• Have ability to design the products based on your ...