Vovalve mfg. Co., Ltd. Set up at three bridge industrial zone, oubei town, wenzhou city, zhejiang province, China. It consists of hot die forge, accurate casting, welds, heat treatment, machining, assembling, and has three great production centers of forge valve, cast valve, special valve, and a numerical control machining center. The company has plasma process welding machine, auto-gas shield welding, overclocking vacuum heat treatment equipment, ball numerical control, high-efficient valve process machine, physical-chemical testing equipment, y-flaw inspection equipment, ultrasonic wave inspection equipment, magnetic powder inspection and more than 100 various processing and inspection equipment. Our company has complete device and processing inspection.