About Us Tiandi Hydraulic co. , LTD is manufacture about hydraulic valves and hydraulic power pack units.Tiandi manufactures hydraulic mini power pack units over with hydraulic cartridge and modular valves . Our range of liquid power products is desirable both for industrial and fluid applications . Our untested and dynamical staff of calibrated engineers focuses on researching , developing , designing and manufacturing hydraulic systems . Design and engineering facilities include SOLID WORKS , Pro/E and AUTOCAD . Our Products had been sold to USA , Germany , French , U.K. , Canada , Australia , New Zealand , Europe , Asia , etc