Shanghai Wuzheng Engineering Technology Co., Ltd. issued a solemn statement on the China Chemical Industry News on July 23, 2013, asking the relevant companies to immediately stop the infringement of the company's coal-based ethylene glycol full-process technology patents.
![Shanghai Wuzheng Engineering Technology Co., Ltd. issued a solemn statement]( "Shanghai Wuzheng Engineering Technology Co., Ltd. issued a solemn statement")