The  QSJ20 bridge inspection truck has a maximum horizontal operating range of 20 meters, which can meet the requirements of two-way eight-lane bridge inspection and maintenance. It is the mainstream product in the current domestic market. The same series of products have also been exported to South Korea, Central Asia, West Asia and many other countries. area.The QSJ20 bridge inspection truck has a maximum horizontal operating range of 20 meters, which can meet the requirements of two-way eight-lane bridge inspection and maintenance. It is the mainstream product in the current domestic market. The same series of products have also been exported to South Korea, Central Asia, West Asia and many other countries. area.

This bridge inspection vehicle applies the main boom luffing technology, which greatly improves the product's operational adaptability to bridges with high sound insulation walls. At the same time, using in-situ vehicle technology, the bridge inspection vehicle working device can be fully extended on flat ground, which greatly improves the convenience of personnel and material transportation and product maintenance on the platform.

For complex working conditions, this product adopts a multi-wheel vertical lift type self-propelled mechanism. The product working conditions have a more even distribution of ground pressure and reduce damage to the construction road surface.