Jiangsu Erhuan Environmental Technology Co., Ltd. was established in 1982. Its major business is environmental protection equipment and production equipment in storage battery industry and it also participates in "exhaust gas, waste water and waste dust" environmental management engineering. The enterprise lays emphasis on intellectual property and has gained many national patents. It has won the honor "Wuxi AAA Contract-Observing and Promise-Keeping Enterprise" and "Excellent Member of Wuxi Environmental Protection Industry Association". It also passes ISO9001:2000 international quality system certification.