Profile: Wenzhou Golden Star Valve & Fittings Co., Ltd. specializes in needle valves and fittings. We manufacture all series of valves, such as needle valves, instruments valves, steam ball valves, compression ball valves, pipe fittings for fuel outlet & fast-assembled connections, and other variable valves. Our products are mainly tested by ultrasonic non-defective testing, physical & chemical analysis and API 598 testing standards. We are ISO 9001 certified.