On August 19, Hong Kong steel sector stocks gained strength at market opening, with CHINAVTM MINING surging over 10%, Tiangong International rising over 7%, China Hanking Holdings climbing over 5%, and China Oriental Group Corporation advancing over 2%.

On August 15 local time, the US Trump administration announced an expansion of the 50% tariff scope on steel and aluminum imports, adding hundreds of derivative products to the additional tariff list. The US Department of Commerce stated in a Federal Register announcement released that evening that the Bureau of Industry and Security has added 407 product codes to the Harmonized Tariff Schedule of the United States. These products will be subject to additional tariffs due to their steel and aluminum content. The announcement noted that non-steel and aluminum portions of these products will be subject to tariff rates imposed by President Trump on goods from specific countries. The expanded tariff list officially took effect on August 18.

China Galaxy previously released a research report suggesting that against the backdrop of continued supply-side anti-involution efforts, steel industry capacity continues to concentrate toward high-quality leading companies. The firm believes the industry is expected to continue benefiting from infrastructure project demand release and accelerated anti-involution capacity regulation, with segment leaders and performance improvement being key areas of focus.