Standard Pipe Clamps 1.universal pipe clamps,vertical pipe clamp 2.Strict quality control 3. ISO9001-2008 Standard ... Pipe Clamps,universal pipe clamps,vertical pipe clampCertification: ISO9001-20081. Material: iron, carbon steel, stainless steel ... Fax :86-0573-86887758 Standard Pipe Clamps,universal pipe clamps,vertical pipe clamp