Blue Triumphant International (HK) Industry Development Ltd. is a specialized hi-tech company, being founded in Baoan District, Shenzhen City in 2002. It is a company combined with researching, producing and marketing computer accessories like memory sticks, headphones, speakers, and mouses etc.

It now has two factories, Shenzhen Longtuoxin Electronics Ltd. and Shenzhen Lankai Electronics Ltd. Shenzhen Longtuoxin Electronics Ltd. specializes in production of headphones for MP3 and Mini speakers; its more than 6000m production area and 12 production lines are contributed to daily making 40,000 headphones and 15,000 mini speakers. Shenzhen Lankai Electronics Ltd. mainly undertakes to make memory sticks, mouses and other computer accessories; Up to now, its production area is more than 2000m, and it has 18 technologists, 4 production lines and 2 SMT production lines.