You can look at his business license. Then go to the market supervision administration to check. If his formalities are sound, it is formal.

The business scope of Yunnan Yin Qi Logistics Service Co., Ltd. includes licensed items: road cargo transportation does not contain dangerous goods, and urban distribution transportation services do not contain dangerous goods. Business activities can only be carried out after the approval of relevant departments according to law, and the specific business projects shall be subject to the approval results.