... detailed as follow:Brief Description:Hengwei Frame Marker is in Jinan Hengwei Technology Co., Ltd. ... such as mechanical and optimized. The device is simple, easy to carry, suitable to go out ... using hand-held electric control box integrated design, easy to carry to work.3, using Windows98/ ... 2000/XP operation, friendly interface, easy to learn and easy to operate4, use of imported industrial ...