Shandong Liaocheng Dongchang Electronical Weighing Apparatus Co.,LTD,which is an executive director of the Weights and Measures Association. It located in the state-level historical and cultural city, the tops national tourist city in north of Yangzi River--- Liaocheng city of China, City of Water, It is a professional manufacturer of measuring instruments for daily and specific industrial production. The manufacturer covers an area of 150000 square meters, which has many technical types of equipment such as: power, lifting, hot & cold processing, measurement testing, metallurgical physics, etc. Furthermore, there are 30000 square meters’ standard factory buildings and living facilities are supported..