BeiJing Jing Wei Huan Environment Technology Co., Ltd.
Changping District, Beijing, China
广泛应用于管线普查和初步查勘,具有查勘速度快、适应性强以及费用较低等优势(It is widely used in pipeline survey and preliminary survey. It has the advantages of fast survey speed, strong adaptability and low cost)
QV潜望镜排水管线检测服务