Formal, safe. According to Tianyan's inquiry, the full name of Zhonghui Security is Chongqing Zhonghui Security Service Co., Ltd., which was established on 20 19 10 18. Carry out business activities independently according to law with business license. The registration authority is Chongqing Yubei Market Supervision Administration, which has obtained the security service license issued by Chongqing Public Security Bureau, mainly providing all-round and efficient one-stop security services and providing reliable customers for Chongqing and Southwest China. Therefore, the security of Zhonghui is formal and safe.