Jinan Baoshan Petroleum Equipment Co.,Ltd., which is located in Zhangqiu City, Shandong Pro. Of China, the hometown of the most famous woman poet in Ancient China- Li Qingzhao. It was formerly called Dongfanliu Petrochemical Parts Factory, which was founded in 1987, and since then it has been engaged in the R&D and manufacture of petroleum equipment and parts for nearly 30 years. It was renamed Jinan Baoshan Petroleum Equipment Co.,Ltd., through the stock-reform in Sep.2004....