Through nearly 45 days commissioning, on the day of 12th, Nov. 2018, one set of water electrolysis hydrogen
generation equipment (Model: FDQ-150/1.2-IV) and hydrogen purification equipment (Model: QCZ-150/1.2-A)
manufactured by Tianjin Mainland Hydrogen Equipment Co.,Ltd. has been officially put into operation at
Praxair(Shanghai) a gas company, providing high quality hydrogen to the user, Praxair is very satisfied with
our company's equipment!

                                                                                                                                                   20th, November, 2018