CHINA WELONG, established in 2001, mainly operates manufacturing, sourcing and processing of oil drilling equipment & oil production equipment. After years' development we now set up three branches as below.
• CHINA SHAANXI WELONG IMPORT & EXPORT CO., LTD
• CHINA SHAANXI WELONG PETROLEUM EQUIPMENT CO., LTD
• JIYUAN WELONG PETROLEUM EQUIPMENT CO., LTD
Our products include BHA Drilling Tools, Borehole Enlargement, Impact Tools, Wellhead, Ha[MORE]
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