Changteng Machinery Processing Co., Ltd. is a professional manufacturer dedicated to customizing large-scale non-standard mechanical parts according to drawings. The company mainly produces various large-scale mechanical equipment components, gear shafts, gears, rollers, sleeves, flanges, hexahedral top press pistons, and various forgings, castings, and other products. Mainly used in industries such as mining, petroleum, cement, bridges, shipbuilding, and military industry. We have passed the ISO9001 quality system certification and have strong comprehensive research and production capabilities. We have a strict quality control system, management organization, a team of high-quality employees, and a complete after-sales service system.