If you want to know more about the ride on laser screed please check:

The discription of HIKING S840-2 Concrete Laser Screed Machine : https://www.hkfloormach.com/video-of-laser-screed/video-the-discription-of-hiking-s840-2-concrete-laser-screed-machine/

The Ads of the HIKING s840-2 Laser screed: https://www.hkfloormach.com/video-of-laser-screed/video-the-ads-of-the-hiking-s840-2-laser-screed/