Changzhou Well-Man Opti-Electronic Instrument Co., Ltd. is located in No. 128 West Hanjiang Road, Xinbei District, Changzhou, Jiangsu Province. It is a private enterprise mainly in globally exporting laser measuring products. The company specializes in producing surveying and mapping instruments and laser products. The main products are laser marking and laser leveling instruments series. There are more than 30 kinds of products of different series. These cube Self-Leveling cross laser line products are widely used in the construction setting-out and automatic engineering of horizontal reference, vertical reference, and vertical angle benchmark, which can greatly improve construction working efficiency and engineering accuracy. With these high quality products exported to Europe, USA, Japan and other countries, Well-Man Opti-Electronic Instrument has successfully built a strategically cooperative relationship with many famous laser instrument companies worldwide.