... rotomould for plastic road barrier 2.custom design available ,new design ,custom made for mould 3.LLDPE,UV.8 resistant ... advantages:1.Strong, durable and lightweight virtually stress-free moulding's2.Design flexibility - small to large, simple or ... , rotomolding,rotational mould OEM manufacturer ,custom design available ,custom made and new design for rotomolding plastic road barrier product LDPE, ...