Hubei Weidun Biotech Co., Ltd. is a professional manufacturer of acoustic field, using natural oils as raw materials to produce fatty acid and its derivatives. Main products are oleic acid, stearic acid, plant asphalt acid, dimer acid, polyamide resin, monomer etc. At present, the company has two production lines of oleic acid distillation process and freezing process production line one, with dimer acid and polyamide resin production line for each one, with an annual output of 30,000 tons of various types of oleic acid, 10,000 tons of stearic acid, 12,000 tons of dimer acid, and 10,000 tons of polyamide resin.