Nanjing Ruijiayi Precision Machinery Co.Ltd.

The ball screw is a very important linear motion parts for CNC machine. The spindel material  is GCr1

We are manufacturer of joint cage and joint race for steering system of vehicle. We can provide diff

We are manufacturer  of spare parts of steering column for vehicle. We can provide different types of ste

We are manufacturer of all types of valve guide and seat for vehicle. We can provide different types of valve

We are manufacturer of all types of oil control ventil of vehicle. We can provide different types of

We are manufacturer of all types of valve guide for all types of vehicle. We can provide different types of wa

    We are manufacturer of all types of planetary gear. We produce it  according to your

We are manufacturer of many fuel pump gear. we produce it according to your drawings or samples.   Fu

We are manufacturer of many types of gas spring for vehicle. We can provide different types of gas spring kind

We are manufacturer of all types of camshaft pulley, steering pump pulley and water pump pulley of vehicle. We

We are manufacturer of all types of cartridge and steering pump gear�of vehicle. We can p

 Nanjing Ruijiayi Precision Machinery Co., ltd is a leading manufacturer of machine parts. The main produ

The ball spline is a kind of linear motion system. When spline motions along the precision ground shaft by bal

We are manufacturer of  ball screw assembly for different CNC machine tools.   The ball screw as

we are a leading manufacturer of oil rotors. We export it to USA CANADA, European countries. we can produce it