Zinc steel guardrails and plastic steel guardrails are different. Plastic steel guardrails are made of polyvinyl chloride, while zinc steel guardrails are balcony guardrails made of zinc alloy materials. The lawn is equipped with plastic steel guardrails. The main purpose of plastic steel guardrails is to decorate courtyards, green spaces, garden paths, and between urban avenues. Zinc steel guardrails are commonly used as isolation barriers on both sides of highways, railways, expressways, and bridges. They can be used as protective belts, safety protection for airports, ports, and docks, isolation and protection for parks, lawns, zoos, lakes, roads, residential areas in municipal construction, protection and decoration for hotels, restaurants, supermarkets, entertainment venues, etc.