GKD-C double -plate spring hanger 1)Size:upon the drawing or requirement 2) ... ,JIS,GB 3)Certification:CE,ISO GKD-C double -plate spring hanger Standard:JIS, DIN, GB, BS type: according to drawings ... offer the product details as follows:1) Name: variable spring hangers, constant spring hangers2) Material: carbon steel, stainless steel, alloy ... to meet your requirement, GKD-C double -plate spring hanger