(a) the registered address of zhejianghongxian self-controlled valves ltd. Is located in yongja street and three villages (in youngja county, zhejiang province); the registered authority is the market supervision authority of yongja county for the manufacture of metal products; the legal person is represented by huang pre-sin; the sale of valves and slugs; the manufacture of pumps and vacuum equipment; the sale of pumps and equipment; the manufacture of general equipment (other than special equipment); the manufacture of specialized equipment (other than licensed specialized equipment); the sale of mechanical equipment; the processing of mechanical parts, parts and components; the sale of mechanical parts, parts and components; the manufacture of hardware and metal; the sale of metal products; the manufacture of instrumentation instruments; the sale of instrumentation equipment; the sale of equipment for the sale of metal; the sale of technical equipment; the sale of technical equip...