1. Maoming Dianbai Workstation of Guangdong Jewelry, Jade and Precious Metals Testing Center: This center is located at No.7 Renmin Road, shuidong town, Dianbai District (namely Shop Jinyuan Jiayuan 12) and is a branch of Guangdong Jewelry, Jade and Precious Metals Testing Center. The center provides testing services for jewelry, jade and precious metals, including testing of jade bracelets.
2. Maoming Experimental Testing Center of Guangdong Institute of Geological Sciences: This center is located at No.66 Renmin Road, shuidong town, Dianbai District, and is a branch of Guangdong Institute of Geological Sciences. The center provides testing services for jewelry, jade and precious metals, including testing of jade bracelets.
3. Maoming Quality Metrology Supervision and Inspection Institute: This institution is located at No.9 Renmin Road, shuidong town, Dianbai District, and is a branch of Maoming Quality Metrology Supervision and Inspection Institute. The agency provides testing services for jewelry, jade and precious metals, including testing of jade bracelets.