With the implementation of industrial base, intelligent manufacturing, green manufacturing and other major projects, Henan mine once again shouldered the banner of Intelligent Manufacturing in lifting equipment industry, contracted two unmanned grab cranes, which were used in the 250000 ton rotary hearth furnace project of Shaoguan Iron and steel plant of Baowu group. According to the requirements of intelligent manufacturing strategy of Shaoguan Iron and Steel Co., Ltd., the product of the project is customized for the steel-making process of rotary hearth furnace, which provides a strong support for the realization of "one key steel-making" of the whole system in the true sense