Dandong Dongfa (Group) Co Ltd, located in Jinshan Industrial Park in Yuanbao district, occupies 66,000 square meters of land and 47,000 square meters of floor space. The company specializes in research, production and management of gas meters. As China’s largest gas meter manufacturer, the company leads the industry in market share, technologies and technological innovation. Dandong Dongfa produces and sells five series of household gas meters, business gas meters, industrial gas meters, gas turbine flow meters and RYA series regulator boxes. The company produces 80 varieties of this equipment. It has an annual capacity of producing three million gas meters, and accounts for 35 percent of domestic market share.