Dear Jewelry Inspection Department of Yantai Bureau of Quality and Technical Supervision, located in Xinyuan Road, lai shan, is the most authoritative jewelry appraisal department under Yantai Municipal Government.

Laizhou Hardware Store is a well-known local hardware store, located in the south of South Outer Ring Road, west of Laizhou Avenue and north of Longfei Road, Laizhou City, Yantai City, Shandong Province. Laizhou Old Temple Gold Flagship Store is a gold jewelry store located in Laizhou City, Shandong Province, and its address is Beth Road, Lincheng Industrial Zone, Laizhou City, Shandong Province.

Laizhou People's Square Business Circle: Located in the city center, there are many jewelry stores and purchasing shops, including Laizhou No.1 Jewelry City and Laizhou Jinxiang Jewelry Store. Nanmen Market in Laizhou City: Nanmen Market is one of the largest markets in Laizhou City. There are many jade recycling stalls, and the price is relatively affordable.

There are first-class industrial and commercial quality inspection departments and second-class jewelry cities. It is recommended that the third-class jewelry store is the most convenient and not bad. It is still free to find a jewelry store for the owner to identify.

The most authoritative one in China is the National Jewelry Testing Center, referred to as the National Inspection. Others, such as the National Jewelry Quality Supervision and Inspection Center (National Inspection) and the jewelry testing centers of the provincial departments of Geology and Mineral Resources, can detect the composition and content of jewelry.