Established in 1981,Huanggong Machinery Group Co.,Ltd.has been committed to continual prouduct development and better service to our valuable customers.We,huanggong,prouduce high-level quality and various of pumps.We develop and design from our own technology department.Our leading product is gear oil pump,two screw pump,three screw pump,and vacuum pump.The company has a strong R&D team,total QC system and prompt after-sales services to secure rapid assistance to every customer.Futhermore,we also import advanced technolpgy from foreign country.As a result,we have enjoyed strong growth and expand various pump categories rapidly.As a large modern ISO9001 certified company,we have 28 years of solid experience in manufacturing.Located in Wenzhou,Zhejiang,the largest pump producing base in China,we are confident to bring you best quality and reasonable price.