achineryOur advanced machinery can produce the minimum wire diameter 0.08mm, and inspect the springs automatically. We continuously strive to find ways of reducing our production costs, and passing the savings to you!6.Deliver, Shipping And Serving of the heavy duty compression springs● Securely packed to assure safe1.Generally, we use standard export carton box,outer with wooden pallet.We reinforce the cartons with straps, and we seldom meet complaint abou the shipment damage by sea in the