Credible. Guangzhou Nuoyou Fiber Trading Co., Ltd. was established on May 5, 2022, located in Zhongcun, Panyu District, Guangzhou. Zhiqingtang is a brand of weight loss and health care in the company. It is a regular product with relevant certification. Zhiqingtang integrates multiple concepts of regulating, supplementing, expelling, resisting and burning, and can be used together in the process of losing weight, which can help to achieve high efficiency and ease of losing weight.