... and 14 floors 2)1300 tons of pure steel. 3)welding steel column 4)h-beam arc 5)award of ... Building - 2 Company IntroBasic InformationCompany Name: Zhejiang Province Erjian Steel Structure Co., Ltd. Business Type: Manufacturer, Association, Business ... travel, Ads, etc) Product/Service(We Sell): Steel structure design,steel structure manufacture,steel structure build in,installation of metal doors and ...