Crown Optical Co. Ltd. Dragon Ningguo

The company is located at the foot of the scenic Huangshan Mountain, founded in 1989, 92 years with the Hong Kong League of Nations set up a joint venture enterprise Ningguo crown Long Electrical Appliance Co., Ltd. is the production of small-scale leakage circuit breaker circuit breakers and professional company. Now has fixed assets 900 million, more than 150 employees, 14 engineers and technicians are now producing more than 90 series 5