Jining Donghong Machinery Co., Ltd (dhparts.com)We are China import & export trading company buy and sell oilfield equipment,petroleum machinery/drilling rig/workover rig and related parts include Drawworks Disc Brake/Mud Pump/BOP&Control Unit/Control&Wellhead Equipment and Parts and coorperate with API manufacturers like BOMCO,LS-NOW,HONGHUA,XBSY/XIBU/WESTPETRO, SHENKAI, RONGSHEN,BOKE/FORWARD, BPMF,SJ Petro,RG Petro etc.