About Shandong Gangyan
Grinding Ball Manufacturer in China Since 1988
Ø10–150 mm | Forged, Cast and Hot-Rolled Grinding Media | Batch Inspection Available
Founded in 1988 near Mount Tai in Tai’an, Shandong Province, Shandong Gangyan Grinding Ball Co., Ltd. manufactures forged steel grinding balls and other grinding media for mining, cement and power-generation applications.
- Nearly 40 years of grinding ball manufacturing experience
- Annual production capacity exceeding 100,000 tons
- Grinding media from 10 mm to 150 mm for ball mills and SAG mills
Our facility combines controlled forging and heat-treatment processes with batch inspection. Quality checks can include chemical composition, surface and core hardness, impact toughness, diameter, roundness and drop testing. Third-party inspection and video factory audits are available for project verification.
From the company’s first grinding ball factory near Mount Tai to today’s manufacturing operation, Peiming Guo has emphasized disciplined production, consistent quality control and long-term responsibility to customers.
Our Founder: Peiming Guo
Peiming Guo began working in the grinding ball industry in 1986. Two years later, he established a grinding ball factory near Mount Tai in Tai’an, Shandong Province.
His management philosophy emphasizes disciplined production, consistent quality and responsible cooperation with customers—principles that continue to guide the company today.