Xianfeng Holdings (贤丰控股股份有限公, formerly known as Guangdong Ronsen Super Micro-Wire) is a company that engaged in the micro-enameled wire and the veterinary vaccine business. Its micro-enameled wire products are thin-film low-temperature and low-pressure micro-enameled wires, including five types of different paint film types and self-adhesive wires. Micro-enameled wire industry is a basic raw material industry for electrical appliances, home appliances, electronic information, communications, high-speed rail aviation, automotive electronics, computers, office and personal electronic product. The veterinary vaccine business main products are pigs and poultry vaccines.