At present, our corporation-RuiSong Wire Rope CO.LTD has 150 employees, including 30 technicians. We obtained ISO9001-2000 International Certificate in April of 2005. Moreover, we own control system and detection equipment which stand for the advanced production level within domestic market. What's more, we can offer effective detection measures with professional technical capabilities. We have introduced advanced prestressed concrete steel strand production lines. Our technical capabilities and quality standards comply with domestic GB/T5224-2003 standard and international standard, which guarantee the eligibility rate of products. The annual output of prestressed steel strand for concrete is 60,000 tons.