Jinan Chengze Machinery Co., Ltd. is a manufacturer of Roots blowers, Roots fans, three-blade Roots blowers, three-blade Roots fans, high-pressure dual-oil tank water-cooled fans, pipeline booster pumps, and vacuum pumps. Guided by the philosophy of "Integrity First," the company has gained a foothold in both domestic and international markets with its high-quality products and timely, comprehensive after-sales service. Product models include sr50, sr65, sr80, sr100, sr125, sr150, sr200, sr250, sr300, sr350, and sr400 series Roots blowers, catering to the diverse needs of various users. The products are widely used in the petrochemical, construction materials, power, smelting, mining, port, light industry, food, papermaking, aquaculture, wastewater treatment, and environmental protection industries, for pneumatic conveying, straw gasification, and the transportation of gas, carbon dioxide, and corrosive gases. Our company has mature technology in the development of pneumatic conveying systems and a team of experienced engineers, dedicated to providing strong technical support to various industries to meet their conveying needs. We offer not only satisfying sales but also reassuring after-sales service. Striving for product quality and establishing a corresponding after-sales service system is our consistent policy. We engage in extensive and close communication with users, tracking the quality of various products and systems, and promptly making technical improvements based on user feedback. Summarizing experience and continuously striving for improvement, we develop newer and better products to meet user needs. With our comprehensive services, we aim to exceed the boundaries of technology and become a powerful support for your company's development. Product features: compact size, light weight, low noise, stable operation, and energy-saving.