< span style = "font family: Microsoft YaHei, ' Microsoft YaHei';" > & nbsp; recently, happy event again and again, the hardest steel structure construction Yiji qualification in after service department in the company's efforts, finally successful upgrading one level. A more perfect software qualification conditions, strive for further improvement, which will bring better sales opportunity for sales team. To enter the large scale steel structure engineering and ready to go, a.