1. has been built for 14 years 2.material :ABS,HDPE,PP 3.CE,ANSIZ89.1,ISO9000 4.professinal designer,rich experience ... -018O shellthe shell is made from ABS,high-density PE, PP, you can choose as you likecolour: red ,white ,blue, orange ... bule, green, orange20”ft capacity7530pcs for HDPE, 6930pcs for ABS40”ft capacity15620pcs for HDPE, 14380pcs for ABS40HQ capacity18310pcs for HDPE ,16865pcs for ABS