Forged grinding balls of dia25-150mm for mill

 1. We only purchase raw materials from large Chinese steel groups; 2. 10 advanced automatic production lines with an annual output of 150,000 tons. Covering the specifications of Dia 15-150 mm and all materials to meet customers' different requirements. All of the operators are well trained and have more than 5 years of experience in forging ball manufacturing; 3. Unique complex heat treatment make sure that our steel balls obtain better performance in the volume hardness uniformity and the overall wear resistance; 4. The company has a first-class laboratory, and equipped with advanced testing equipment, such as spectrometer, hardness tester, microscope, drop tester, impact tester, laser cutting machine, etc., to ensure that our products from raw materials into factory to production process to the shipment of every every link quality control assurance and trace ability. 5. We have passed international and industrial certifications such as TUV ISO900, ISO14001, Iso45001, etc…