sdh.com.tw
San DaHsing mechanical and electrical productStainless steel booster pumps. 2 poles votex pumps(A-series). 2 poles votex pumps(B-series). 4 poles irrigation type pumps. Submersible deep-well pumps used on the ground or underwater. Submersible deep-well pumps only for high buildings. Submersible deep-well pumps for over 4" well diameter. Submersible deep-well pumps for over 6" well diameter( 2-10 HP). Submersible deep-well pumps for over 6" well diameter).
http://sdh.com.tw/