After the arrival of packaging raw materials, the warehouse keeper shall timely inform the quality inspector of the quality assurance department to go to the site for inspection. After passing the inspection according to the standard, the warehouse keeper shall check the variety, specification, quantity (weight), packaging, etc. according to the "order form", fill in the warehousing record, and require the relevant personnel to place the raw materials in the qualified area according to the requirements: if the inspection is unqualified, the warehouse keeper shall, After the arrival of chemical raw materials, the warehouse keeper shall check the variety, specification and quantity according to the "purchase order"