Longkou Longxu vermicelli Co., Ltd. is located in Longgang Development Zone, Longkou City, Shandong Province, specializing in producing Longxu brand Longkou vermicelli series. Products are made of high-quality mung beans, peas, sweet potatoes, whole grains and other raw materials, and are produced, processed, disinfected, tested and packaged in strict accordance with HACCP international food safety system. It is the only enterprise in the fan industry that won the title of "Top 100 Best-selling Brands in China" and "Group Member of China Cuisine Association", and its products won the title of "Shandong Province"

"Longxu" brand vermicelli contains a variety of trace elements, protein and plant fat, and is known as "artificial shark's fin". International friends call it "Spring Rain", "Glass Noodles" and "Gracilaria lemaneiformis" in China.