... strip mills for Xingtai Delong Steel & Iron Co., Ltd., Benxi Beitai Steel Company, Kunming Yuxi Steel & ... mill for Taishan Steel & Iron Group Co., Ltd., which enabled the company to enter the rank ... were developed on its own with its core technology, and they were successfully applied to the ... appraisal of Sichuan Provincial Department of Science and Technology, and put into scale production, which is ...