Guangdong Provincial Standard of the People's Republic of China
Latest
DB44/T 1825-2016
Scope
This standard specifies the measurement tolerance requirements for precious metal jewelry (including precious metal inlaid jewelry) and jewelry and jade jewelry. This standard applies to the size measurement of precious metal jewelry (including precious metal inlaid jewelry) and jewelry and jade jewelry. The dimensional measurement tolerances of unmounted jewelry and jade materials shall be implemented in accordance with this standard.
DB44/T 1825-2016 history
2016DB44/T 1825-2016 Regulations on tolerances for jewelry size measurement