Group 1 - The State Intellectual Property Office of China has granted a patent for a "tractionless metallurgical vehicle with multiple control methods" to Ansteel Group Engineering Technology Co., Ltd. and Ansteel Co., Ltd. The patent authorization announcement number is CN116873010B, with an application date of July 2023 [1] - Ansteel Group Engineering Technology Co., Ltd. was established in 2001 and is located in Anshan City. The company primarily engages in professional technical services and has a registered capital of 6,489.77 million RMB. It has invested in 7 enterprises, participated in 5,000 bidding projects, and holds 673 patents along with 30 administrative licenses [1] - Ansteel Co., Ltd. was founded in 1998 and is also based in Anshan City, focusing on black metal smelting and rolling processing. The company has a registered capital of 93,692.21 million RMB. It has invested in 54 enterprises, participated in 5,000 bidding projects, and possesses 5 trademarks and 5,000 patents, in addition to 615 administrative licenses [1]