Guangzhou Geosurv Information Technology Co., Ltd is a professional company specialized in high accuracy surveying, measuring and monitoring solutions, especially focuses on providing practical, cost effective and innovative monitoring solutions for geotechnical engineering.  As a high-technolo...

Harxon Corporation, a company of BDStar, has been committed to delivering advanced GNSS positioning solutions that are reliable, precise, affordable and easy to use. With dedicated customer service and innovative products, we have grown to become one of the world’s leading aftermarket supplier...