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经过用一种新的不加增塑剂的聚氯乙烯材料包装的肥皂既经济又畅销。这种材料受力度很强,平均每平方米至少能减少20—25克的材料,使得变薄,并且在自动化机器上操
Passing soap with a new plasticizer-free PVC material is both economical and popular. This material is strongly influenced by an average of at least 20-25 grams of material per square meter, making it thinner and operating on automated machines