PT.THE SIXTH CHEMICAL ENGINEERING CONSTRUCTION COMPANY, belongs to China National Chemical Engineering Corp., is a large comprehensive construction & erection enterprise, possessing the following National first-class certificates of qualification issued by the Ministry of construction PRC: construction & Installation of chemical works; construction & installation of petro-chemical works; construction of buildings; construction & installation of mechanical & electrical works; construction & installation of chemical & petro-chemical equipment & pipelines; fabrication & installation of steel structure; construction of environmental protection works; construction & installation of anti-corrosion works; construction & installation of pipelines. The company has the installation, manufacture, alteration, repair & maintenance License of Special Equipment (Installation license for I boiler; Manufacture license for I & II pressure vessel; Site assembly & welding license for III pressure vessel). The company also has the certificates of qualification for contract for overseas works, & the power of management for overseas labor cooperation. The company was awarded the Certificate of the Quality System Certification in conformity with ISO9001 standard issued by Quality Assurance Center of China Quality Control Association (QAC) the Certificate of Environmental Management System in conformity with ISO 14001 standard & the Certificate of Occupation Health and Safety Management System in conformity with GB/T28001standard more earlier than other companies who also belongs to CNCE.