About Us
Shanghai Delong Iron and Steel Group Co., Ltd. (hereinafter referred to as Delong Iron and Steel Group)
was founded in 1992. It is a large-scale comprehensive steel group that integrates steel smelting, cold
rolling, coking, metal products, as well as auxiliary businesses such as trade, logistics, and energy
and environmental protection. With an annual production capacity of 30 million tons of steel, Delong
Steel ranks 11th among the top 50 steel companies in the world. In 2024, it ranked 452nd on the Fortune
Global 500 list for the third consecutive year.
Complaint Report
Complaints can be reported by means of telephone, WeChat, WeChat official account, email,
letter, report box and visit。
1、Report and complain about mobile phone numbers：15930959111
2、Report and Complaint WeChat Number：15930959111
3、WeChat official account for reporting complaints：STTC111
4、Report and Complaint Email：sjjc111@126.com
5、Report and Complaint Address: 3rd Floor, Technical Center, Tianjin Iron and Steel Group Co., Ltd., No.
398 Jintang Road, Dongli District, Tianjin. Received by the Group Audit and Supervision Department.
Recipient's Phone: 022-24708127, Postal Code: 300000
Letter of Authorizaiton
