Tianjin Huichi Metal Materials Co. LTD
Name:Mary
Cell:86-15122997517
Whatsapp:86-15122997517
Email:[email protected]
Name:Aileen
Cell:86-18822070408
Whatsapp:86-18822070408
Email:[email protected]
5) Precipitation hardening type stainless steel:17-4PH,15-5PH,630,631, 1.4542,1.4568,etc
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