• Safety production license obtained in March 2016

• Obtained the qualification certificate of construction enterprise in May 2016
• passed ISO9001, ISO14001 and OHSAS18001 quality certification in August 2017
• Obtained the second level of general contracting for mechanical and electrical engineering construction in January 2018
• Obtain the special equipment installation, transformation and repair license (pressure pipeline) in July 2018 (GC2)
• In 05, 2019, it has obtained three levels of general contracting for petrochemical industry, three levels of specialized • • •contracting for electronics and intelligence, and three levels of specialized contracting for steel structure engineering of three levels of general contracting for construction