Dongying City Dongda Machinery Manufacture Co., Ltd. We possess 50 million RMB of total assets and owns more than 40 thousand square meters of plant area.We are a comprehensive processing company in machinery processing with strong technical strength.Dongda have various equipments for calculation, measurement and testing.According to Modernization Enterprise system, we strict to scientific management, perfect Quality System. Measuring instruments with the national production license and passed the ISO9001:2000, API Certificate. Introducing Several High-precision equipments, such as QAK1212SSCK20A CNC machine tools.Dongying city Dongda Machinery Manufacture Co., Ltd. mainly develops, manufactures, and sells oil drilling accessories, suspension tools (elevator links, casing/drill-pipe/tubing/sucker-rod elevators), thermal recovery equipments, wellhead and components, pumping components, oil pressure pipe fittings and other special tools. Products have won several provincial and municipal scientific and technological achievements, also have been sold to major domestic and foreign oil markets.Dongda Company welcome friends and visitors from all of the world.