... ,DIN,JIS,GB 3)Certification:CE,ISO GKD-C double -plate spring hanger Standard:JIS, DIN, GB, BS type: according to ... drawings . GKD-C double -plate spring hanger1)Size:upon the drawing or requirement2)Standard:ISO,DIN ... , constant spring hangers2) Material: carbon steel, stainless steel, alloy steel and other special material for the special parts3) Size: general, special ...