... long-term use of non-die deformation, and material extrusion more smooth and stable. 3) Cooling ... Such as fertile, cement, chemicalindustrial raw material, building material etc. 2) Horizontal packaging: Metal pipe, aluminum ... Manual packaging: It is used in wholesales, journal, printing, electronic product, foodstuff etc. 8) Ring twist packaging: ... Dongguan Xinhuida Stretch film machinery Co.,Ltd