Shanxi Lanyuan Technology Co., Ltd. is an international manufacturer and supplier of steel rebar bolt,friction bolt,expandable bolt,FRP bolt,cable bolt,resin capsules,plates,welded mesh and chain link mesh for mining, tunneling,and civil engineering since 1996. Lanyuan enterprise’s headquarters is situated in Datong City, Shanxi province of China. The city is formerly known as the coal capital of China, Now it adheres to the idea of green development with high priority to ecology, which is also our company’s mission.