Strengthen the packaging of YL-5 ton hard paper box packaging, Strengthen the integrated YL-10 tons overall pull-horse hard carton, Strengthen the integrated YL-15 ton overall Lama hard paper box, Strengthen the integrated YL-20-ton overall Lama hard paper box, Strengthen the integrated YL-30 tons of overall Lamamu box packaging, Strengthen the integrated YL-50 tons of overall Lamamu box packaging, Strengthen the packaging of YL-5 ton plastic box, Enhanced integrated YL-10-ton plastic box packaging, Enhanced integrated YL-15-ton plastic box packaging, Enhanced integrated YL-20-ton plastic box packaging