Guangzhou Zhongwei Jewelry and Jade Quality Inspection Co., Ltd. is registered by the administrative department for industry and commerce and engaged in jewelry and jade inspection, third-party inspection, independent financial accounting and testing business activities in the form of an independent legal person. It is a third-party testing organization accredited by ISO/IEC 17025, a national product quality supervision and inspection institution (metrological certification), and has an independent legal person's jewelry testing and appraisal institution.