Ordinary. Guilin Zhongzhi Testing Co., Ltd. is formal, and Guilin Zhongzhi Testing Co., Ltd. is an enterprise mainly engaged in professional technical service industry. The company was established on 20 18. According to official website, an inquiry about Guilin Zhongzhi Testing Co., Ltd., it is very reliable to know that this company is a formal company protected by official website certification law. The company mainly engaged in jewelry and jade testing services; Jewelry appraisal service; Gold, silver and jewelry testing services; Lightning protection device detection service; Commodity information consulting service; Asset appraisal service.