The alloy shall be inner-packed in woven bags lined with thickened plastic bags, after which the entire woven bags shall be placed into packaging drums. The packaging procedures shall comply with the following steps: first, expel the air from the inner plastic bags, then tie and seal the bag openings tightly to achieve airtightness; upon completion of inner packaging, fit the drums with lids and insert lead seals to secure the drums hermetically.

An inspection certificate shall be affixed to both the lid and the side of each drum, with key information clearly specified thereon, including product name, grade, batch number, net weight and packaging date. The net weight per drum ranges from 50 kg to 200 kg, and the specific net weight shall be determined according to the product specifications.