Monkey car design specifications and standards are subject to expert review

         On August 31,2023,personnel from Hengxin Co.,Ltd.,the leading drafting unit of the national project AQ"Design Specification for Aerial Passenger Devices in Coal Mines",as well as other drafting units,accepted external experts'review of the design specification through on-site and online means at the National Mining Product Safety Mark Center,greatly improving the quality of the design specification drafting and providing design guarantees for safe riding of monkey cars for miners.