... 2005,we have independent product development capability, powerful technical support and perfect quality system. Thanks to the above, we've been ... Stainless steel , Carbon steel and Alloy steel etc.Type: Slip-On,Welding Neck,Blind,Socket Welding,Plate and THRD etc.Standards:ANSI,DIN ... ,EN,JIS,BS and UNI etc.Size & Pressure: 15mm- ...