Our concentrate on is always to consolidate and enhance the excellent and service of present solutions, in the meantime regularly develop new products to meet distinctive customers' demands for floor joist size for 12 foot span | Jsylvl, concrete plywood, installing osb sheathing, laminate plank flooring,joist sistering calculations. We adhere on the tenet of Services of Standardization, to meet Customers' Demands. The product will supply to all over the world, such as Europe, America, Australia,Malta, Johor,Austria, Paris.Our company's main products are widely used all over the world; 80% of our products exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.