Suzhou Tongchang Precision Instrument Co., Ltd. is a Chinese company, which specializes in designing, developing and manufacturing the instruments of laser-engineering. Our products are mainly applied in construction, indoor decoration as well as equipment-installing. Furthermore, all of our products play a very important role in building airports, squares, roads and flatting farmlands in large areas.



The products of our company mainly include three series: cross line lasers, rotary lasers and plump lasers. All of them have great varieties, perfect performance, and reliable...