Specifications:We produce all kinds of torsiyon springs to 0,40mm from 3,00 mm as the same as customer order.If you want some special operation on it we can make it. Like surface operation ( painting, galvenize. E. T. C)Also we sent our quality test result our customer that we made on it.PAYSAN A.S Payment Terms: L/C,T/T,CASH Certification(s): ISO 9001:2000Supply Ability: 200000