Shanghai Dekree Digital Tech. Co., Ltd is a sino-foreign joint science and technology enterprises specialized in weak magnetic signal detection and application development,  commited to the R&D of complex environment ranging, positioning, communication, and inspection related products. Currently, it has lunached a variety of trenchless guiding systems, inspection robots for underground pipe gallery, etc. Dekree is determined to become a century-old enterprises of leading technology, excellent products and quality service.