Zhejiang Langke Bio-Engineering Co., Ltd. is a high-tech and new manufacturing company authorized to import-and-export by itself which integrates research, development, manufacture and sales into one body. Our company has successfully passed the authentication ISO 13485, CE and FDA. The main product of this company is &＃039; BRIGHT NOSE (Physiological Sea Water) Nasal Spray &＃039; which using BOV (Bag on Valve), and it possesses the leading standard all over the world. The product is by broad domestic-and-oversea customers for advantage of its favorable price.