Changtong Valve Mechanical Co., Ltd., Yuhuan founded in 1993, covered an area of 8800 square meters, and has 118 workers including 15 technicians. It&＃039;s located in the beautiful and prosperous Yuhuan Isle, the shore of East Sea. ã??ã??Persisting on enterprise tenet of â??Quality First and Price Victoryâ??, our company keep reforming and innovating. We have strengthened our fundamental management and total quality control and set up a complete enterprise management system. By introducing international advanced technologies, we develop new products and reform dated ones constantly. With a perfect technological process such as brass smelting, brass roddrawing, forging, finishing, surface treatment, assembly and testing, we specialize in manufacturing forged ball valves, gate valves, stop valves, check vavles, tubing and water nozzles international quality body certified in accordance with ISO 9001ï¼?2000 standard and procedure documents, technical standards and operation instructions, of fairly high quality assurance capability. ã??ã??Thanks to more than ten years&＃039; hard work of Chang Tong people, our products have enjoyed high reputation at home and abroad such as South East Asia, Europe, America and the Middle East!