Changyi Petrochemical's quality management system passed an expert review held by China Quality Mark Certification Group's Shandong branch on Nov 13. The company has passed the review for 12 consecutive years.
The review aimed to evaluate compliance and effectiveness of Changyi Petrochemical's quality management system. It covered the company's gasoline, light diesel oil, liquefied petroleum gas, propylene, sulfur, petroleum coke, MTBE production and sales departments, sites and processes. Experts agreed the company's quality management system is thorough and solid, and system documentation has been continuously improved. All operations are up to standard and effective. They concluded that the company should pass review.