As the casting base of CHAENG (Great Wall Machinery) established in 1958, Great Wall Cast Steel specializes in manufacturing large steel castings for heavy equipment such as girth gears, pinion gears, tyre riding ring, support rollers, kiln shell, mill trunnion, grinding rollers, grinding tables, and bearing housings, with extensive experience in metallurgical, chemical, construction, mining, forging and other industries.

Girth gears, pinions, tyre riding ring (rolling ring) and support rollers are important mechanical components of rotary kiln, rotary dryer, rotary drum granulator, etc., which play a vital role in the normal operation of the equipment. 

CHAENG's steel castings have the following advantages:

1. According to the user's drawings and requirements, CHAENG fully communicates with the customer to develop the most suitable process plan.

2. Use high quality steel material to ensure product quality and long service life.

3. Use advanced heat treatment technology to improve the performances of castings.

4. CHAENG has a comprehensive range of casting, machining and quality inspection equipment to ensure the reliable quality of castings. 

Pictures of CHAENG girth gear, riding ring (rolling ring), support roller for rotary kiln, rotary dryer and rotary drum granulator: