brass refrigeration copper fittings 1.MOQ:1000pcs 2.Size"1/2"-2" ... ,EN331,SGS,ISO9002:2008 certification 1.Name: brass refrigeration copper fittings2.Material:Brass 3.Size:16-1/2",20-1 ... The manufacturing system is certified ISO 9001 by DQS of Germany (IQnet)1. PEX and PB pipes manufactured according to UNE ... ,432 32,0 32,33 2,8 3,43. Copper pipes manufactured according to the norm UNE-EN1057 PLS-08047 ...