Tianjin Shengte Prestressed Concrete Steel Strand Co., Ltd specializes in the production of PC steel, PC wire, PC bar and unbonded PC strand with rich technical forces.And the detailed sizes are as following: (1) low Relaxation PC Steel Strand GB/T5224-2003:1*2-5.0mm/5.8mm/80.mm/10.0mm/12.0m1*3-6.2mm/6.5mm/8.6mm/8.74mm 1*7-9.5mm/11.1mm/12.7mm/15.2mm/15.7mm ASTM A416: 1*7-7.9mm/9.53mm/11.11mm/12.7mm BS5896: 1*7-8.0mm/9.3mm/9.6mm EN10138: *7-12.5mm12.9mm/13.0mm/15.2mm NBR 7483: 1*7-9.5mm/12.7mm/15.2mm We can also offer all types of products according to various standards. And we have built our branch factory in Indonesia. Welcome to quote us.