... Product material: PE 2. Specification: 13-60mm in diameter, 50-310mm in length Hebei Antai plastic packaging products Co,.ltd locates ... layer and multi layer composite tubes,13-60mm in diameter,50-310mm in length,with different specification.Our annual output is 80 ... tubes and multi-layer composite tubes, 13-60mm in diameter, 50-310mm in length, with different specifications. Our products have got the ...