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Tel: 86-546-8221951
Fax: 86-546-8521870
Email ：
lvqh@mindeoil.com
Address: No.739, Dongying District, Dongying City, Shandong Province, China
Zip Code: 257061
Honor
Dongying Mingde Petroleum Technology Co.,Ltd
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Honor
API Q1 Certificate
Fine Slotted Liner Utility Model Patent
Science and Technology Progress Award
Award Issued by China Machinery Industry
CNPC Product Qualification Certificate
Scientific and Technological Achievement
Compound Seamed Slot Processing Equipmen
Composite Seamed Slot Processing Method
CNPC Vendor Certificate
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