Founded in 1990, Ningbo Zhonghuan Steel Ball Factory is located at the east port city, Ningbo, which covers an area of nearly 30000 m2.
Our factory mainly produces various types steel balls of OD0.50mm - OD56.00mm from Grade10 to Grade 500.

Accordingly sorted out by steel material, the steel ball items we can provide are such as:
Chrome steel ball ( Material: E52100 / 100Cr6 )
Stainless steel ball ( Material: AISI304, AISI420, AISI440 )
Tungsten carbide ball ( Material: Tungsten carbide with Co 6%, or Co. 8%, etc. )
Low carbon steel ball ( Material: AISI1008~ AISI1018 )
Connected ball ( Material: E52100 / 100Cr6 )
Magnet ball ( Material: ND Fe-B )
Other types customized steel balls

With complete sets of processing technique and rich technical forces, the factory has been one of the leading manufacturers of steel ball field in China, supplying products for bearing and machinery parts industry to Chinese domestic market and oversea market.

In recent years, all kinds of steel balls have been sold directly far to France, Italy, Germany, USA, Russia, Korea, etc., and positive feedbacks are commented by customers for high quality and reasonable price among similar Chinese products.

We constantly keep our production process improved efficiently, and always comply principle as " Quality is upmost as basic target, and innovative technique is to be pursued for further development ". For the national and international products standard, it is according to: Chinese Standard GB308-2002 and USA Standard AFMBA1989.

If you have interest to establish the business relationship with our factory, all your inquiries of sorted steel balls to welcome. Then we are willing to provide products with high and steady quality along with our superior service and competitive price.