Shanghai XINHU Electric Machine CO, LTD is professionally producing circulating pumps and motors; it is our company that rafted the standard of circulating pumps and canned motor pump for refrigerator and it is also rafted the standard of explosion-proof crane metallurgy?technical conditions of rotary power without shaft sealing pump?crane metallurgy and safety requirements for canned motor, XINHU is the patent fostering and high and new technology enterprise in Shanghai.