Seat cushion, handrail (or strap) and pedal shall be set for the passenger seat of the main vehicle of two wheel motorcycle and side three wheel motorcycle.

The hot surfaces of tricycles that may be touched during normal startup and operation according to the product instructions and whose temperature is greater than 80 ℃ measured at an ambient temperature of (23 ± 3) ℃ shall be equipped with permanently connected or fixed protective devices or baffles (which cannot be removed without tools).

3  wheels vehicle

The  dayang factory occupies an area of ​​78,775 square meters, with a total construction area of ​​75,866 square meters, and currently employs 300 people, including 60 engineering and technical personnel; the industry’s leading modern industrial base. It costs hundreds of millions of yuan to build intelligent and flexible products production line 3  wheels vehicle.

The production equipment is complete, and the inspection equipment meets the production requirements, including 3 frame welding lines, 8 carriage welding lines, and 2 cab welding lines; 3 vehicle assembly lines, 2 vehicle inspection lines, and automobile paint lines 2 pieces，3  wheels vehicle。

 The steering wheel (steering handle), gear lever, pedal, handle, switch and other operating mechanisms of three wheel vehicles and low-speed trucks equipped with single cylinder diesel engines shall be clearly marked with durability marks on or near the operating mechanisms, except for those with very clear functions. The operating symbols used for signs shall have obvious color difference with the background. The product operation manual shall provide easy to understand and detailed operation instructions for all operating mechanisms.