Nantong Jinniu MachineryManufacture Co., Ltd is an oil machinery manufacturer in China. And we are grade 1supplier of China National Petroleum Corporation(CNPN) and China Petrochmical Corporation.The company has optained API Q1Registration, ISO9001:2000 and ISO/TS 29001 certificates. The products have beengranted with the right to use the Official Monogram of API Spec 7K and API Spec 8C.Our products concludes ZQ series Drill Power Tong, TQ series casing tong, variouskinds of manual tongs, Elevators, Slips and Hydearlic power stations. You can findmore detailed information in the attatchment.