Hangzhou Tongshiwei Food Co., Ltd. was established in 2000 and is a professional nut food processing factory specializing in roasted nuts, seasoned nuts, and coated nuts and seeds. The company's main products include: almonds and seed products, macadamia nuts and seed products, walnuts and seed products, pecans and seed products, and pistachios and seed products. After 25 years of operation, the company has an annual production capacity of 6,000 tons of finished products. It currently has a factory area of 27,000 square meters and covers 20 mu of land. There are 5 fully automatic production lines, 10 X-ray machines, and color sorters. In 2011, the company obtained ISO9001 and HACCP quality management system certifications.