Founded in 1983, ERA is a large-scale group in China,with over 7000 employees, concerning plastic piping systems, solar photovoltaics, home electrical appliances switch, etc. ERA Group now owns subsidiaries --ERA Co,Ltd, Zhejiang ERA Solar Technology Co., Ltd, Zhejiang ERA Electric Appliance Co,Ltd,and Zhejiang ERA Export and Import Co,Ltd. ERA Co,Ltd is the biggest core subsidiary of ERA Group, administrating 13 wholly-owned subsidiaries and specilizing in piping system research ,production and sales. It owns 8 production basements in China with total area of 1,533,318 m². It was equipped with 10,000 sets of different moulds, with 900 advanced injection and over 210 extrusion machines. It was listed on the Shenzhen Stock Exchange in December 2011 (stock code 002641). "ERA" plastic pipe export volume has ranked first in China's plastic pipe industry for many continuous years, while the production and sales volume ranked second in the industry.