工作内容：

1. Prepare/premix raw materials for the lab / pilot batch

2. Sample filling, preparation, packing and delivery

3. Test pH, viscosity...

4. Stability checking and follow up

技能要求：

1. Chemistry background

2. Fluent in spoken and written English

3. Willing to learn

4. Work independently and proactively

5. Easy to communication, good at expressing and summary

6. At least 3+ months