Beijing Longtongshengda Technology Co. , Ltd.

Beijing LongTongShengDa Technology Co., Ltd is a high-tech enterprises£¬specializing in geological exploration, environmental protection and scientific research, both in service and the instruments. With the purpose to create the value for the community, create the convenience for the customers and create the benefits for employees , Beijing LongTongShengDa Technology Co., Ltd gets the praise from our customers at home and abroad