Since 1968, this Chyun Jianq company has engaged in research and development of various types of submersible pumps. After continuous efforts of 20 years, now we have many up-to-date advanced machineries including automatic testing system for motors and water pumping machineries. The range of testing is from 1/2HP to 300HP and output water from 10 GPM to 6,000 GPM. We have almost a perfect inventories of all specifications and types of pumps. AAGYIH pump has obtained a patent from the R.O.C. and China.