Yancheng Runwei Petrochemical Machinery Co., Ltd. was established in February 2000. Through the two standardized measurement assurance confirmations of GB/T19001:2000 and ISO9001:2000 quality certifications, our company won a total quality management standards issued by the Ministry of Agriculture. Furthermore, we have applied for American Petroleum Institute API6A, 16C certification, China International Patent & Brand Expo Seal Mud Gate Valve Special Gold Award, the Tenth China Patent New Technologies, New Products Expo Gold High-Pressure Elbows, Private Technology Enterprises in Jiangsu...