Features:1) Capacity (KJ): 802) Stroke (mm): 833) Resistance (kN): 2,2704) Frictional elastomeric buffer5) Application: freight car for speed-up and heavy haul train6) Loading capacity: 80 - 100 tons

Features:1) Valves: brake valve JZ-7, distribution valve F-7, relay valve, airapplication valve, double heading valve and control valve2) Applications: various single and double-end diesel locomotives

We can offer various kinds of valves such as automatic brake valves, distribution valves, air application valves, relay valves, vacuum proportional valves, vacuum relay valves, vacuum control valves,

In order to apply to drivers cab reconstruction, we researched and developed the JZ-7G brake valves, the main parts of which are under the control desk, only the operating handles on the control desk.

Features:1) Cylinder diameter: Φ207mm2) Height:a) Pressure ring: 7.9cmb) Sprayed molybdenum ring: 7.85cm3) Tangential grinder elasticity:a) Pressure ring: 6 - 8kgfb) Sprayed molybdenum ring: 5.3

Features:1) Φ280 piston rings with sprayed molybdenum, piston rings sprayedwith molybdenum and strengthened with Nb, piston rings with taperface and oil control rings are Suitable for 280 series d

Features:1) 9 advanced equipment for machining piston rings were imported in 19882) New materials and technology were used in the production of piston-ringsfrom Φ180 - Φ300 according to the

Features:1) Φ280 piston rings with sprayed molybdenum, piston rings sprayedwith molybdenum and strengthened with Nb, piston rings with taperface and oil control rings are Suitable for 280 series d

Features:1) 9 advanced equipment for machining piston rings were imported in 19882) New materials and technology were used in the production of piston-ringsfrom Φ180 - Φ300 according to the in