GN Chemicals Co., Ltd. is  a pharmaceutical company from China , specializing in exporting API ,Vitamin series and plant extracts &.Our strong products are VB12 and VC &. We have won good reputation all over the world and in order to support the continuous growth of our customers, we have strategically set up warehouses in New York, Hamburg & Hong Kong for just-in-time deliveries. Here is our website:www.gnchemicals.com. .If you have any interest , please contact us .