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由沈阳煤矿设计院和沈阳市兴华煤矿电器设备厂联合研制的主井箕斗提升定量装、卸载的信号微机控制系统,于1991年6月29日通过中国统配煤矿总公司的鉴定。
The main shaft skip developed by Shenyang Coal Mine Design Institute and Shenyang Xinghua Coal Mine Electrical Equipment Factory, upgraded the signal loading and unloading signal microcomputer control system and passed the appraisal of China General Coal Mine Corporation on June 29, 1991.