... roundsling, web lashing, and safety harness, etc 2.Standards:EN1492-1, EN1492-2 European type polyester roundsling sleeve (EN1492-2 ... , such materials as high tenacity multi-filament of polyester, nylon and polypropylene have got used for production of the webbings ... principle of “water can bear the boat and also overturn it ”, and consciously undertakes the responsibility for environment protection, ...