Why choose us

01 Powerful casting ability

CHAENG (Great Wall Steel Casting) is the largest steel casting and processing enterprises in Henan Province. CHAENG not only introduces the latest foundry equipment and technology from overseas, but also hire top talent people as senior managers and technical backbone. At present, CHANEG can provide a series of service, from blank casting to final production, and key parts to full set of solutions.

02 Plenty of actual cases

CHAENG has accumulated a wealth of experiences and cases in steel casting. Moreover, cooperating with top-class vertical mill manufacturers means our good strength and excellent quality, such as Denmark Smith, India Tata Group, Shanghai Bao steel, etc.

Today, CHANEG steel castings have won the unanimous approval of customers and exported to many countries overseas.

03 Excellent quality

1.Design and develop the process plan according to different customer’s drawings and demands.

2.Strictly monitor each casting link.

3.The strict 360 degrees of non-destructive testing are used for eliminating all the defective product.

4.Advanced technology and meticulous casting process ensure the casting quality, and saved 2-3 months’ maintenance time comparing with other companies.

Processing capacity

  • Processing equipment
  • Test equipment
  • Technological process
  • Natural Gas Heat Treatment Furnace
  • 30t Electric Arc Furnace
  • 9600m2 Molding Workshop
  • 4 pieces of Casting Ladle Casting Together
  • Shot Blasting Workshop
  • Sand Supplying System
  • OBLF direct detect spectrometer
  • Universal Strength Testing Machine
  • Electric Vibrating Sieving Machine
  • Carbon and sulfur rapid analyzer
  • Intecast CAE Software
  • Hammer Type sampling machine

Main Ball Mill Spare Parts

The ball mill produced by CHAENG is a tubular cylinder with supporting devices at both ends. Because the grinding medium in the cylinder is steel balls, it is named ball grinding mill. The girth gear, hollow shaft, and end cover of the ball mill are all important components of the ball mill. After the ball mill runs for a long time, it is necessary to maintain and replace the spare parts in time, which can effectively prolong the service life of the equipment.
Ball Mill Girth Gear

Ball Mill Girth Gear

Girth gear is an important transmission part. CHAENG girth gear is widely demanded in different industries to be installed in different machines, such as rotary kilns, rotary dryers, and ball mills. It is available in different specifications according to the requirements of the customers.


Ball Mill Trunnion

The ball mill trunnion, also called the ball mill hollow shaft, is a key part to support and connect the cylinder and is also the inlet and outlet channel of the material. CHAENG adopts high-strength steel and unique heat treatment technology, which makes ball mill trunnion have high hardness and strong impact resistance.


Ball Mill Trunnion
Ball Mill Head

Ball Mill Head

The ball mill head, also called the ball mill end cover, is one of the key components of the ball mill, located at both ends of the ball mill shell and is mainly used to support the material, the cylinder, and the grinding media.


Our Clients

Danish customers, Shanghai Baosteel, North Heavy Industries, Sinoma International, Xinjiang Tianshan Group, Henan Meng Electric Group, Turkish customers, Italian customers, Russian customers, American customers, Canadian customers, etc.

Customer service

1. Project design

(1) Proposals for steel castings according to requirements of customer’s drawings;

(2) Design and manufacture the parts according to customer's special requirements;

2. During-sale service

(1) Respect for each of customer's views to facilitate goal of win-win transaction;

(2) Immediate feedback to customers about progress of contract, to ensure the smooth delivery of steel products;

(3) To assist the customer in the development of production processes.

3. After-sale service

(1) One year’s warranty period for spare part. Quality-caused problems are free for maintenance within one year;

(2) The customers are free to call us anytime during operation process

(3) CHAENG has been providing customers wide with range of steel castings and processing services for many years. As long as you supply the drawings, we can produce accordingly for you.

Contact us


WhatsApp:+86 15738819136


Office Add: Mengzhuang Town, Huixian City, Henan Province, China

E-mail: vip@chaeng.co