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Hongsheng was listed at Shanghai Stock Exchange

Acquisition of Guanyun heat exchanger Co., Ltd

Set up Hanzhong hongsheng-zhonghong new energy Co., Ltd

wuxi hongshneg heat exchanger manufacturing Corporation Limited was established

Changed name to be Wuxi Hongsheng heat exchanger manufacturing incorporation

The foundation of the new plant in 5# bridge industry park

Approval of IPO by China Securities Regulatory Commission

Hongsheng was listed at Shanghai Stock Exchange

Acquisition of Guanyun heat exchanger Co., Ltd

Set up Hanzhong hongsheng-zhonghong new energy Co., Ltd