Ma'anshan Yihua Hydraulic Pressure Machine Co.,Ltd. is the joint stock company invested by Ma'anshan Shuangyi Machine Manufacturing Co.,Ltd.and Ma'anshan Dahua Machine Manufacturing Co.,Ltd., located at the south bank of Changjiang. Wuhu,the opening city of Anhui is in front, and Nanjing,the ancient capital of six dynasty, is behind. Nanjing Lukou airport is close to our city. There are railway,waterway and speedway here,so the traffic is very convenient.

　Ma'anshan Dahua Machine Manufacturing Co.,Ltd. was established in 1993. Now there are 80 staff in our company, 15 mechanical engineers, 12 administrators and technicians. Our company has office, financial dept, marketing dept., technical developing dept.,production dept..

　Our company has fixed production base, building area of 6000 Sq.m., 10 sets of various processing equipments. We operate according to ISO9000 Quality Management System which can guarantee the products quality. We cooperate with the research laboratory of Southeast University, research laboratory of Anhui University of Technology and national key academe. We use new technology and new craft and have strong research and development ability in hydraulic pressure machine field.

　Our company has four items of national patent: hydraulic pressure spanner of plane force ZL99227577.6, tank pedrail regulator ZL02245506.X, opening hydraulic pressure spanner ZL99227577.6, hydraulic pressure spanner of float force arm ZL02245507.8. Now our leading products are hydraulic pressure spanner,hydraulic pressure stretcher,hydraulic pressure pumping station,hydraulic pressure house,hydraulic pressure hoisting jack,hydraulic pressure system assembly. We can also give nonstandard design for customers to satisfy them farthest.

　Our products are widely used in metallurgy, electric force, petroleum, chemical industry, mine, machinery, ship-building and cement. We solve many difficult problems in the Yellow River water & hydropower project,the three gorge dam and the domestic largest Runyang Changjiang bridge project. And we got good appraisal from construction unit,design and scientific research unit.

　The constant progress of technology and strict technical management are the base of enlarging our enterprise. And our pursuit is excellent quality and perfect after service.