Road Safety Guardrail is to prevent vehicles crossing from roads or rushing into the opposite lane and minimizing the damage of drivers and passengers. For the past few years, deformed and sharped safety guardrail causes drivers injury even be killed by accidental bumping on it, this keeps us thinking how we effectively resolve the impact crisis? To better ensure our safety, we keep trying to figure out how we can better resolve the current crisis? Plastics are ductile and elastic materials which are able to absorb huge impact forces. We started to apply our materials in smarter way with our expert knowledge of tools.