I am robert.pang, form chinese largest steel building company (laiGang construction co., ltd) which is which attached to one of Chinese largest steel producer LAIWU STEEL&IRON GROUP ( a super-size state owned company whos steel output is more than 10 million metric tons). We supply steel structure according to your provided standard, drawing and specifications. Surface treatment including sand blasting and various type of coating available. we have steel structure companys in tens of chinese citys.you can learn more on xxxxx and xxxxxLooking forwarding you reply.Robert.pangWeb: xxxxx xxxxxMobile phone: 0086-13808950675Msn: xxxxx