Jining Donghong Machinery Co., Ltd provide China Oilfield Equipment, Spares and Service for contractors, operators and service companies worldwide. All of our products are manufactured under the industry standards established by the American Petroleum Institute (API) and the International Organization for Standardization (ISO)by Oilfield Manufacturers BOMCO, LSNOW/LSNOI/LANZHOU LS NATIonAL OilWELL, BPMF, GGPMF,XBSY/WESTPETRO/XIBU/SOLVEDRILLIN, RUSHI,  SANYI ,  SHENKAI/SK Petro, BEIJING GOLDEN BASIN, BEIJING PSK,BAOYE,HONGHUA,RENQIU BOKE/FORWARD, RONGSHENG, SJ PETROLEUM , RG PETRO, SJS, DERRICK, MARTIN,KATO ETC.