Hard Film PVD Coating Sturdy Safety Guardrail Anti-corrosion Weather Resistant Protective Railing Extra-large coating cavity for stainless steel guardrail, fence and outdoor metal railing. Weather-resistant & anti-rust coating adapts to outdoor environment, providing full coverage on long strip metal without color difference. Technical Specifications Component Specification Bias Power Supply 1 Set Rotation Stand 1 Set Heating System 1 Set Structure Vertical Front Loading or