China Steel Structure Corp.(CSSC),the subsidiary of Taiwan's China Steel Crop.,has announced its sales revenue in last December was NT$1.878 billion,increasing by 20.8%from a month ago and jumping by 38.39%year on year.Meanwhile,CSSC said that its sales revenue in the fourth quarter of last year totaled NT$4.633 billion,growing significantly by 9.2%from a quarter ago.CSSC said it installation quantity of steel structures in last December was more than 20,000 tons which is also the highest monthly installation number of its career.The total installation number in whole 2012 was about 190,000 tons which was 20,000 tons more than 170,000 tons in 2011.CSSC said its orders in the first half of 2013 have almost been full booked;therefore,the company may have better sales number in this year.