Xuzhou Aka Company has the earliest established professional regulating valve inspection and maintenance team in China. It relies on strong maintenance technology, excellent maintenance equipment, and abundant measurement data of regulating valves in various countries. It is one of the strongest manufacturers of regulating valves in China. . With Shell (China) Co., Ltd., Dushanzi Petrochemical Company, Panjin Petrochemical Company, Xinjiang Kuitun Petrochemical Company, the company has maintaine…...