可广泛应用于食品、土特产、糖果、茶叶、医药、五金等行业，是商店、家庭、工厂使用方便、最经济的封口设备。
Extensive application at the professions, such as food, soil special product, candy, tea-leaf, medicine and hardware... etc., is a store, family, factory usage convenience, most economy of equipments.
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