Weifang Longwei Industrial Co., Ltd.Shan dong is located in the south of the Bohai Laizhou bay, the northwest of Weifang,which is situated in Shandong Weifang Binhai Economy Development Zone -- the largest ocean chemical production base in China. The company has been established in1984,It has been developed to a big private company whose business scope covers industrial salt, chemicals, aquatic products, refrigeration & storage, sea fishing, shipping services, automobile transport and ...