Changzhou Feige Steel Ball Co., Ltd.
Technical Strength and Production Layout: The Scale Advantages of Changzhou Feige Steel Ball Co., Ltd.
Changzhou Feige Steel Ball Co., Ltd., as a large-scale and modern steel ball production enterprise based in Changzhou, boasts an independent main factory area and branch factory areas, with a total area of 18,000 square meters. Its annual production capacity reaches 4,000 tons, consistently ranking in the first tier among domestic steel ball manufacturers. Its production layout covers the entire process from raw material processing to finished product inspection. Through automated production lines and precision processing equipment, it ensures the technical parameters of steel ball diameter accuracy up to ±0.001mm and surface roughness Ra≤0.01μm, meeting the stringent requirements of high-end bearings, automotive parts, and other fields.

Quadruple international certification: dual guarantee of technical standards and quality control
The company has obtained four international certifications: ISO9001 (Quality Management System), IATF16949 (Automotive Industry Quality Management System), ISO14001 (Environmental Management System), and ISO45001 (Occupational Health and Safety Management System), forming a standardized management system covering production, environment, and safety. For example, under the IATF16949 certification, its steel ball products must pass strict tests such as 100% size inspection and 24-hour salt spray test, ensuring stable performance at extreme temperatures from -40℃ to 150℃, suitable for high-end applications such as new energy vehicle motors and aerospace bearings.
All categories steel ball technical layout: From standard parts to customized solutions
Fei Ge Steel Ball's "Race Pigeon" brand covers a full range of steel balls including carbon steel, stainless steel, and ceramic, with diameters ranging from 0.5mm to 50mm and customizable production supporting hardness from HRC20 to HRC65. Its core technologies include: 1) high-precision cold heading forming process, reducing material waste and improving ball roundness; 2) vacuum heat treatment technology, eliminating internal stress and enhancing wear resistance; 3) ultra-fine grinding process, achieving mirror-like surface quality. These technologies enable the products to be widely used in automotive gearboxes, wind turbine shafts, medical devices, and other fields, with customers including several Fortune Global 500 companies.

Technical Case: Export Practice of High-End Bearing Steel Balls
In a European wind power project, Feiguo Steel Balls provides stainless steel balls with a diameter of 30mm and hardness HRC62, which must meet the technical requirements of fatigue life ≥1 million cycles and corrosion resistance ≥1000 hours of salt spray test. By optimizing the heat treatment process parameters (quenching temperature 850°C, tempering temperature 180°C) and surface strengthening treatment, the product has ultimately passed the stringent DNV GL certification of the customer, with cumulative export volume exceeding 500 tons, verifying its technical strength and international adaptation capability.
FAQ: Technical Challenges and Solutions
Q1: How to control the accuracy of steel ball diameter?
A: Utilizing high-precision cold heading machines and on-line inspection systems, real-time correction of mold wear is ensured, guaranteeing diameter tolerance ≤ ±0.002mm.
Q2: How is the anti-rust performance of stainless steel balls guaranteed?
A: By selecting 316L material and employing passivation processing technology, the salt spray test duration is enhanced to over 2000 hours, suitable for marine environment applications.
Q3: How to achieve mass production of small diameter steel balls (e.g., ≤1mm)?
A: Employing micro fine electrical discharge machining technology and ultrasonic cleaning process, we solve the difficulties in micro spherical body shaping and surface cleanliness, achieving a high yield rate of 99.5%.