What kind of semi-trailer is good?

To be a good trailer, first of all, the girders should be strong enough, the axles (Hua Fu Bridge) should be used well, the wheel spacing should be reasonable, and the pneumatic control and braking system should be good. It is necessary to choose a good manufacturer. For example: Huayu, Yuheng, MasterCard, Tongya and CIMC Dongyue in Liangshan, Shandong; In Huai 'an, Jiangsu, Shandong Yuheng has the highest cost performance, while others are of good quality, but the prices are too expensive.