Ningbo Rina Technology Co., Ltd. is committed to providing PVD ultra-hard DLC coating research and processing, self-lubricating coating technologies such as DLC, WCC, CrN, TiN, TiCN, TiAlN, TiAlCrN, and vacuum ion plating coating technologies for mold-making, precision components, textile accessories, plastic machinery screws, and mechanical accessories. Our low-temperature coating technology is suitable for materials that can be heat treated down to 180 degrees.