A) Bra Spring Material Classification:
200 series: 201, 202 …
300 series: 304,304L,304H,316,316L
B) Bra Spring Hardness Classification:
Soft | 1/4H | 1/2H | 3/4H | H | EH |SH
C) Bra Spring Surface Classification:
Bright; Gray; Oxidation; Burnishing; Coppering; Lead plating and so on
D) Bra Spring Purpose Classification:
For spring; cold upsetting; welding; wire rope
E ) Bra Spring Physical Classification:
Magnetic / Nonmagnetic
F) Bra Spring Shape classification:
Round wire; Half Round Wire; Square wire; pressure flat wire; precision shaped wire
7X24-hour Telephone Consulting Service is available.
Reply and solution will be provided in 8 hours upon customer’s service request.
After-sales Support is available on a 7X24-hour basis, leaving no worries for customers.
Quality inspection from raw material to production, and delivery.
Professional quality control person, to avoid the unqualified products flowing to customer.
Strict inspection to Raw material, production, and delivery.
Full series of equipment in quality laboratory.
Ningbo Huayuan Metal Products Co., Ltd.-Topone Stainless Steel Wire
Established in 1993, Ningbo Huayuan Metal Co., Ltd. integrates R&D, production and sales of stainless steel wire.Covering land of 30,000m2 and taking up construction area of 15,000m2, it has passed ISO: 90001 Certification.
Our products includes stainless steel spring wire, EPQ wire, cold heading wire, annealing wire, stainles steel flat wire etc. With a professional research team, our products can be made according to AISI, JIS, ASTM, DIN, EN, and GB as well as the special demands of customers, is widely in stainless steel spring making, kitchen wire products manufacturing, scew and bolt making, fine wire redrawing, automobile componet making, food grade wire component making, fishhook and accessory making, stainless steel nail making, wire for vineyard and orchards etc
Toponewire featured by stable performance have been favored by users in China and professional clients in America,Europe and Asia. What you are satisfied with is our permanent pursuit of quality and quick delivery. we will continue controlling our product quality and try hard to be a leader of the stainless steel wire industry.