... of QN, QM 6'', 8'', 10'' and 12'' water cooling submersible electric pumps at NEMA standard, operating in 50Hz and 60Hz ... 3Hp to 300Hp, and 1215, 1218, 1222, 1228,1234 RITZ submersible motors. We are among a few group of Chinese suppliers ... , South America, Africa, Asia and West Europe. We also manufacture submersible motors and pumps in the domestic market. To develop new ...