Shanxi Zhengang Biotechnology Co., Ltd., established on October 23, 2006, with a registered capital of RMB 100 million, is a joint-stock private enterprise. The company is located in Hequ economic and Technological Park, Xinzhou City, Shanxi Province. At present, the company has an annual output of 30000 tons of castor oil production line, an annual output of 20000 tons of sebacic acid production line, a proposed 10000 tons of nylon 1010 project and a 20000 tons of sodium sulfate project. At present, there are 158 on-the-job employees.