Taizhou Aotong Refrigeration Equipment Co.,ltd.was the first matching factory to produce branch pipes for Daikin while entering into China,also providing long-term original branch pipe for Mitsubishi,Hitachi etc.1)100% with C12200 seamless copper material,No leakage under nominal pressure.2)100% dephosphorized and defatted extrusion process.3)100% suitable for EU and American Standard.The reliable quality and best after-service have been our soul to make us move forward.