Shanghai Reson biotech Co., Ltd has been engaged in the development and production of high-tech life nutrition material, the core product of vitamin K2 has industrialized production for 10 years. We has a good reputation and reputation in the industry, the product through US National sanitation Foundation certification, are exported to Europe, the Japanese market, as many well-known international suppliers of health products. The company's R & D center in Shanghai is also engaged in active ingredients and life science products. In 2006 Year we successfully developed synthetic vitamin methods to produce vitamin K2. In 2013 Year we began to build a new marketing system, improve the Internet system. We'd like to reduce intermediate links, profit to the end customers.