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All the pipes & tubes are subject to varied demanding inspections by:

1) Mill quality control division inspections with issuance of mill certs.& 3.1B
2) Third party inspections with issuance of 3.1 C certs by:
3) Certificates of Origin issued by CIQ and CCPIT:
 
Plant address：Changchao Ind. Zone, Hefu Town, Huzhou city, Zhejiang, China
Tel：86-572-3733302/ 86-13567989972
Fax：86-572-3733302 Email: wxjie51@hotmail.com
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