Shanghai Voto Valve Co., Ltd. was founded in June 1997 and currently has 179 employees, including 57 technical personnel, including 3 senior engineers. Equipped with CNC machining centers, plasma welding, fully automatic gas shielded welding, semi-automatic vacuum fusion welding, overclocking vacuum heat treatment, specialized CNC lathes for turning balls, efficient machining machines, physical and chemical testing, and non-destructive testing equipment