... . Our advantage products are KHB, KHB3K, BKH, KHP, YJZQ, QJH series...... Advantage of HRPC:1) professional techonolgy2) low price3) responsible & strict ... Order Form of hydraulic ball valve:1. Series Code: KHB(BKH) Series, KHM(MKH) Series 2. Joint Code: M, G, LR, SR, PT, NPT3 ...