... R&D, manufacturing and sale of diverse jacks,has committed to manufacturing of hydraulic jacks and jacks’ parts since 1978,more than 30 ... branch plants can process annual output of 2 million pcs jacks, and 3 million sets accessories. Under the culture “Unceasing innovation ... and market. After “Jinteng” as a famous brand on Hydraulic jacks for ten years, Since July1,2005,Our company started using ...