Xiangyang Lianjie Mechanical&Electrical co., specializes in the measurement of the rail-track and ssociated infrastructure .We offer a design &manafacture service to suit your specification or rail type ,including digital gauges,analogue gauges,rail wear gauge,turnout gauges ect. Our products get approved by CRCC. We have supplied instruments to CRCC for many years and our products have been sold to North American, Australia, Europe,Asia ect since we joined in global market 
China