Zhejiang Huaxia Valve Manufacturing Co.,Ltd holds the certificate of ISO 9001 quality systems, the API6D Monogram, the CE certificate of European Directive 97/23/EC and the AZ Certificate of China pressure equipments. We have import & Export licence and produce ball valves, gate valves, check valves, globe valves, butterfly valves, ball wedge needle valves and swage tube fittings .