TJHD is an industry leader in the manufacture of hydraulic components. We have more than 50 years experiences in producing high quality hydraulic components. We are one of the oldest manufactures in the hydraulic components market within China. TIANJIN TIANJI HYDRAULIC MACHINE CO., LTD, is an official ISO registered company, our management system is certified to the ISO 9001:2008 standard. Our company has developed a professional ERP system to assure that our production requirements are met and on time delivery assured. Our product line includes: high pressure gear pumps, gear motors, hydraulic cylinders and hydraulic systems.