ASTM A615 A615M, ASTM E290, API 5L, IS0 7438, GB 232 et autres spécifications internationales et nationales.
sales@shhualong.com
Reliée des nouvelles
FRIEND LINK:
N ° 389 Chuanhong Road, Pudong New Area, Shanghai 201202, Chine
Tel: +86 17821945087
Online Service: 7*24h
© 2018 HUALONG All rights reserved. SiteMap