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E-mail:
levi@leapmetal.com
Phone/WhatsApp:
+8618839262085
Address:
Building A9, Zhongyuan Optical Valley, Development Zone, Hebi City, Henan Province, China
Patented cold drawn unalloyed spring steel wire
SM: Tension, compression or torsion springs which are subjected to medium high static stresses or rarely to dynamic stresses.
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