日本在线视频观看_国内毛片毛片毛片毛片_色成人免费网站_国产精品久久久久久久午夜_成年女人毛片免费中文_在线精品国产

The TBD-L7 portable folded ladder has obtained the Test Report issued by National Publich security ministry.
Brief introdution
This ladder is made from aluminum alloy. The connection pins are made from stainless steel.
The ladder is very simple, safe adn reliable.
Compared with the traditional ladder, its main advantage is light in weight and small in size.
This ladder  is used to deal with emerency activities, such as hostage rescue, siege criminal and fire rescue and so on.
Size optional from 3.0m, 3.6m and 4.2m