... different compression functionmore quantity will get more discount.Coil spring including TF,TL,TM,TH,TB,TR and so ... will has different function.Features1.Types available:Minimal load,light load,Medium load,heavry load,Exta heavy load2.Special springs could be supplied ... equipments, furniture, etc.Product details1) the diameter of mould spring is from 0.2mm~60mm.2)strandard physical properties,such ...