Jinan Yuhuang Machinery Equipment Co., Ltd. (Consulting * * *:) is a * * * enterprise specializing in the production of three blade Roots blowers. The company has a strong technical force and a large number of high-quality * * * and production technicians. It has strong capabilities in technology development, design, research and development, production, and quality monitoring, and has established a comprehensive * * service system. Roots blower bearings are imported from Japan. There are two lubrication methods: grease lubrication is used below 0.6kgf/cm2, and splash lubrication is used between 0.7-0.9kgf/cm2 to ensure more reliable product quality. 7. The output air is clean, free of any oil and dust, and the air seal structure is reasonable, preventing oil from entering the casing, thus ensuring clean air. Sales Manager: Manager Zhao Consultation * *: Special * *: 570725593