China achieves key milestone in oil and gas equipment
The offshore oil and gas processing plant Haiyang Shiyou 122 is under construction in Qingdao, Shandong province, on August 17. [Photo by Zhang Jingang/for chinadaily.com.cn]
The offshore oil and gas processing plant Haiyang Shiyou 122 is under construction in Qingdao, Shandong province, on August 17. [Photo by Zhang Jingang/for chinadaily.com.cn]