oil drilling tool

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[CN] Dongying Jintan Petroleum Technology Equipment Co.,Ltd. [Manufacturer]
Key Products/Services:
Business Overview: Dongying Jintan Petroleum Technology Equipment Co.,Ltd. is located in the beautiful oil city, Dongying, by Yellow River delta. We are a first class authoriz...

[CN] Heilongjiang North Shuangjia Drilling Tools CO,.LTD. [Manufacturer]
Key Products/Services:
Business Overview: Heilongjiang North ShuangJia Drilling Tools Co. Ltd. is a holding company of Heilongjiang North Tool Co. Ltd.��under China South Industry Group Co. The compa...