Led Rigid Bar Components,Premium Jcy Light Controller,Profession Jcy Light Controller,Led Light Heat Sink Framing Components Top Lighting International (HK) Co., Limited , https://www.topled-group.comChina's first line-controlled roadheader was successfully developed in Shijiazhuang Coal Mine Machinery Co., Ltd., and all technical indicators met the requirements. This indicates that the company's roadheader production technology has begun to enter the stage of competing with international advanced technology. However, the remote control technology is currently used in the equipment of the roadheader, which is still in its infancy in China.