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.

 In 2012, the  dayang company successively passed a number of national technical certifications such as national ISO9001, TS16949, national compulsory certification 3C certification.

 The company introduced the concept of automobile development in 2013 to jointly develop three-wheeled motorcycles with a number of industry experts, and independently develops 3-5 new products each year.

In 2014, the company expanded the scale of the production site by 5 times to meet the market demand of more countries, and the annual production capacity reached 150,000 units.

The service brake, emergency brake and parking brake systems of automobile  (except three wheeled automobiles) are combined in a certain way, They shall ensure that they still have the emergency braking function when any component breaks (except the failure of the brake of the service brake, the brake pedal and its bracket, the brake master cylinder and its piston, the brake master valve, the brake master cylinder and its pedal, the brake chamber, the wheel cylinder and its piston, the connecting rod between the brake arm and the camshaft assembly) or other failures occur in the service braking system (such as failure, partial or total leakage of stored energy). The control device of the service brake and the control device of the parking brake shall be independent of each other.