Hongyan Zhang

Conduct analytical tests for incoming raw materials, batch samples, finish goods and stability samples of skin care products to determine if the products meet the quality specifications.
- Inspect all incoming raw materials and document all the test results data and print labels for the products accordingly.
- Manage raw materials inventory in the warehouse and make sure all the raw ingredients are within the specifications for production; and keep all the raw material paperworks up to date.
- Assist purchase agent with raw materials order by comparing samples from different suppliers by running sample size formula and compare to the approved formula.
- Assist in operating and production team in scale up process and troubleshoot the problematic batches.
- Calibrate all quality related equipments weekly and log the data accordingly.
- Develop SOPs for all the analytical tests, laboratory equipment calibration and materials receiving.

- Collect chemicals solution from chrome line reactors and conduct experiments in a timely manner to evaluate key chemical component concentrations used in electroplating auto parts as a GM contractor.

- Run process simulation in the lab scale to test for the efficacy, efficiency and quality of the chemicals in the batch tanks.
- Develop SOPs for all the analytical tests performed in the QC lab including titration, pH test, humidity test, surface tension test, corrosion test, thermal cycle test, etc.
- Collect, maintain and analyze historical data by plotting trend line and generating charts, then troubleshoot for defects and assist engineer with optimizing products performance.
- Analyze the waste streams to ensure compliance with the environmental requirement.
- Assist in safety managers to make sure the operation comply to OSHA compliance so employees are safe from chemical hazard.