... upon the drawing or requirement 2)Standard:ISO,DIN,JIS,GB 3)Certification:CE,ISO GKD-C ... double -plate spring hanger Standard:JIS, DIN, GB, BS type: according to drawings . GKD ... Size:upon the drawing or requirement2)Standard:ISO,DIN,JIS,GB3)Certification:CE,ISO Now we ... and according to client drawing4) Standard: ISO, JIS, DIN, GB5) Application: supporting piping and equipment subject to ...