20-50 mm Ground nstruction mats price sydney-HDPE road 20-50 mm Ground nstruction mats price sydney China Heavy Duty Ground Mats for Heavy nstruction Machinery Material: PP Kind: Engineering Plastic Sheet Water HENAN OKAYorption: <0.01% ntraction Percentage: 2.0%~5.0% Tensile Strength: 23-26 Transport Package: 40