As an enterprise founded in 1953, East China Power Transmission and Transformation Engineering Company(EPTTE) is one of the units of the State Power Corporation, specialized in the construction for power transmission and voltage transformation engineering projects, now under direct leadership of Shanghai Power Construction Company, Limited. The company is a First Grade qualification construction unit approved by the Construction Ministry in 1989. The company is also a Class A commissioning unit for power transmission and transformation projects, named by the Power Industry Ministry. EPTTE had got the grade A1 qualifications of equipment maintain from Shanghai Economy Commerce Committee; And we had got the qualifications of communication engineering. It had the communication works construction qualifications and the third grade works measurement qualifications approved from Shanghai Communication Management Department and Shanghai Survey Department. And that Shanghai Construction Committee had conferred shanghai construction corporation security production management test certificate on us. The company has passed ISO 9002 quality system recognition by Shanghai Quality System Examination Center in 1997 and the reevaluation recognition in the year 2000 and has been granted the recognition certificate issued by the Recognition Commission of the Netherlands. The company has passed ISO 14001 Environmental Management System recognition and OHSMS recognition by Shanghai Quality System Examination Center in 2001.