Sanmenxia Shangyang Electrial Appliance & Balance Machine Co.,Ltd is the national testing machine designated manufacturers, enterprises through the ISO9001 2000 international quality system certification, with independent import and export rights, the high-tech enterprises in Henan Province, is China's largest manufacturers of balancing machine. More than twenty years, has developed a variety of specifications of the 0.5kg--40000kg soft, hard bearing dynamic balancing machine. The company is located in Sanmenxia city will Hing Industrial Park, close to the highway along the Yellow River, away from the train station, bus station 5 kilometers, traffic is very convenient, covers an area of 45 mu (contract 30000 square meters), the building area of 20000 square meters, nearly 300 employees, including engineering and technical personnel 60 people, accounting for the total number of employees 20%, senior engineer 12 people, the total number of workers accounted for 4%, the various machining equipment 120 sets, 50 sets of various measuring instruments. The main products for the dynamic balance machine, and its varieties, specifications of more than 80 species, production capacity of 1500 sets.