Zhongya valve co., LTD. is a collection res-earch and development, manufacturing,sales and integrated high-tech enterprises.The compand is located in NO.3511 Yongqiang Avenue Longwan District Wenzhou city Zhejiang China.The company introduces advanced technology from abroad, the modern scale production, and equip Germany processing center, Taiwan CNC machine, super precision vertical lathe, automatic painting line and special equipment, machining center, CNC machine tools, special molding, slinging cleaning, passivation treatment,ultrasonic cleaning equipment and a variety of valve pressure testing equipments. As well as equipped with photoelectric direct reading analyzer, thickness tester, radiographic, ultrasonic and liquid penetrant ect,nondestructive testing equipment to ensure that the company’s products can be manufactured strictly in accordance with clients’requirements of related standard ,to meet the different demands of them.