continue to enhance, to be certain solution top quality in line with market and buyer standard requirements. Our corporation has a excellent assurance program are actually established for wood floor joist span chart | Jsylvl, floor beam sizes , 9 mm osb , i joist for rafters ,i joist for roof rafters . We sincerely welcome friends to negotiate business and start cooperation with us. We hope to join hands with friends in different industries to create a brilliant future. The product will supply to all over the world, such as Europe, America, Australia,Peru , Bulgaria ,Morocco , Puerto Rico .For many years, we have adhered to the principle of customer oriented, quality based, excellence pursuing, mutual benefit sharing. We hope, with great sincerity and good will, to have the honor to help with your further market.