How about kunlong petroleum machinery co., ltd?

Kunlong petroleum machinery co., ltd. Headquartered in Shouguang, Shandong Province, the company has three wholly-owned subsidiaries, namely Shandong Longhao Petroleum Equipment Co., Ltd., Xinjiang Kunlong Petroleum Equipment Co., Ltd. and Su Jieyou (Shandong) Technical Service Co., Ltd., and has several offices in Karamay, Luntai, Daqing, Xi 'an, Dingbian, Qingcheng, Dunhuang, Jilin and Renqiu. By the end of 65438+February 2022, the company had 76 national independent intellectual property patents (including 5 invention patents), * * * 5 1 new products and technologies passed the provincial appraisal and acceptance, and some products reached the international advanced level.