большой пружины растяжения

tension spring: 1) big spring diameter of line:0.08mm-14mm 2) extension springmaterial:sus/swc/swp/copper/iron/alloy 3) load type of spring:compression/extension/torsion 4) style of extension spring:coil/spiral/cylinder/leaf/waved/disc/conical 5) surface treament:spray-painted/zinc/nickel/chrome/gold/silver/tin big extension spring Our products can be made according to your requirement. Superior quality, competitive prices, first-class craftworks, safe package and prompt delivery and reasonable price to provide. We do quotation within 24 hours and welcome your any inquiry at any time. We can make the spring as per the drawing or sample. More detail pelease call or email to me directly,thank you !