The company had been produced various gps manufactures since the company established , and its aim is that to satisfy different customers demands and make great effort to create domestic superior gps product . now the company not only produces portable gps surveying system of decimeter - precise , but also producesthe dynamic state rtk4000 - bifrequency surveying system of millimeterprecise 需要的朋友请联系qq ： 26757434 tel ： 13688285820价格理想，程序完善，小小的投入给您带来巨大的收获，何乐而不为？特别是网络公司用这样的程序来做企业站点更为理想！
