About Us Sun Fai is a reputable zipper manufacturer in Hong Kong. Since our establishment in 1990, we have developed a strong management and produced various kinds of high quality zipper including nylon, plastic and metal. In China, we have our own production base in Dongguan. We possess a completely integrated and advanced production line. Besides, zipper manufacturing which weaving, electroplating, dying and painting to zipper finishing, are supported by a team of well trained professionals and technicians with advanced technology and facilities. Our zippers are all up to the required international standard. The highest product quality and customer service is our business promise. Our goal is to continuously create more dynamics to give customers a definite advantage in the market.