Dongying Zhao Xin Industry and Trade Co., Ltd. was established in 2001. Our co***ny is located in Dongying city which has the second largest Oilfield (Shengli Oilfield) in China. We are a co***ny, which conducts scientific research, development, manufacture, sale and after sale service, is one enterprise for oilfield tool and equipment manufacturer. Our main products include drilling equipment, oil production equipment, oil well service tools. Currently, our products are already exported to North Ameri...
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