Everfoton Power Delivery Fibre Coating means laying optical thin film on the large-core power delivery optical fibre end face to increase light transmission or reflection. By using special precision polishing process, efficient cleaning and professional coating technology, the characteristics of high-efficiency coupling and highpower transmission are achieved. With high cleanliness of the fibre end face and high coating reliability, it is suitable for industrial laser pump source, medical cosmetology, optical fibre senor, and so on.