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hongkong,Qingdao,Shandong,China China
Our company is the original factory in Qingdao Petroleum Machinery Factory, in 2008 we passed American petroleum institute quality management system o
Piston assembly for high-pressure mud pump and ceramic liner passed API SPEC Q1, ISO/TS 29001 and ISO9001:2000 High quality
Float Collar float Shoe passed API SPEC Q1, ISO/TS 29001 and ISO9001:2000 low price and high quality
الشخص الذي يمكن الاتصال به Ms. sun may
عنوان hongkong, Qingdao, Shandong
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