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HOME
ABOUT
PRODUCTS
Return
DIN Series
BS Series
ANSI Series
JIS Series
Casting Series
HONOR
NEWS
Return
Company News
CONTACT
Honor
Customer trust is our honor
Honor
Customer trust is our honor
Factory approval certificate
ISO9001:2008
Quality management system certification
Quality management system certification
Private technology enterprises in Qingdao
Private technology enterprises in Qingdao
Advanced unit of respecting teachers and valuing education
Joint venture of China Shipbuilding Industry
Enterprise Technology Center
Qingdao demonstration enterprise
Famous trademark of Shandong Province
Enterprises abiding by contracts and Valuing Credit
