Product: Coal Mining machinery parts Place of Origin: Henan, China Brand Name: OEM Model Number: As your design Material: 42CrMo, 27SiMn, 40Cr, 40CrNiMoA, 45#, 30CrMo, 35CrMo, 42CrMo, ect. Features and advantages: Very good kneading Near-net-shape surfaces Also suitable for smaller quantities Short delivery times Seamlessly rolled and forged copper rings Produced in a modern ring-rolling mill First-class surface quality
