1. Complete chemical testing in accordance with relevant laws and regulations, testing standards and SOP.

2. Operate and maintain chemical analysis instruments, such as LC-MS, GC-MS, ICP-OPE, UV-VIS, AAS, ICP-MS, LC-MSMS, etc.

3. Be able to analyze the test data and report the problems in the test to the department leader.

4. Complete other tasks assigned by superiors.