The xi’an welltodo industries Co.,Ltd is located in xi’an city, which has a long history of about 3000 years and is so called the oldest cultural city of china. Xi’an is also called high technology and scientific city because there are about 50 universities, Tens of research and design institutes and many factories of war industry. The xi'an welltodo occupies about 4000 square meters . Its has many buildings of about 9000 square meters. The welltodo pay very important attention to human resources. There are many outstanding engineers working for it, it is in the leading position of the pump filed because its own outstanding work and cooperation with the universities and institute around it.