FREET PETROLEUM EQUIPMENT CO., LTD OF SHENGLI O...
The company now has five oil casing production lines, two coupling one high steel grade ERW line and heat treatment ....
Address:NO.203,Nanyi Road, Dongying, Shandong, China
Shengli Oilfield Shengli Power Machinery Group Company Ltd.
As a leading Chinese power plant turnkey contract service provider, Shengli Oilfield Power Machinery Group Company ....
Address:Beiyi Road
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