... 3 categories, 12 different specifications series products of 10t close die electro-hydraulic hammers, the largest in the country, 5t ... company has successively developed series products of 31.5MN hot die forging presses, ADP500t close-type double-spot press, RW3 ... 850mm medium wide-strip mills for Xingtai Delong Steel & Iron Co., Ltd., Benxi Beitai Steel Company, Kunming Yuxi Steel & Iron Company, ...