Changzhou Liansheng Photoelectric Technology Co., Ltd. is a national high-tech enterprise with laser levels as our main products .We are a manufacturer with strong ability of integrating research, development, production and sales.We not only have the multiple workshops and production lines ,we also have an excellent production team,a professional training system and strong quality control system ,so a high quality products with fast delivery will be met for most of the buyers order plan .Moreover we also have an excellent design team got more than 15 years experience,our designers can design the products according to the buyers' requirements(ODM) with the advantage of quality products, competitive prices and marvelous after-sales service,Changzhou Liansheng enjoys a great reputation at home and abroad.