The certificate is an occupational health and safety management system certification certificate, issued by Fangyuan Mark Certification Group, the scope of application of the certificate is: the manufacturing and sales of MW level wind power main shafts, pipe moulds, forgings and forging blanks, electroslag remelting ingots, iron castings , steel castings, structural parts, design, development, manufacturing and sales of non-standard nuclear power equipment components (post-processing equipment, experimental equipment and other non-nuclear grade equipment). This certificate indicates that the occupational health and safety management system of Tongyu Heavy Industry Co., Ltd. conforms to GB/T45001-2020 (idt ISO45001:2018) standard, It can provide products  to meet the requirements of laws and regulations and customer satisfaction, and continuously improve the occupational health and safety performance,and further improve the competitiveness of the international market.