The profiles produced are dense, even, and smooth. Their functions, dimensions and body structure completely meet superior specifications. The purchasing of raw materials, and the manufacturing packing and inspection of each product have a strict process control system. At present, each product is certified by the ISO9001 quality management system. Formulation includes a joint preparation by Chinese and German experts, and most of the raw materials are imported, which guarantees that the physical and mechanical properties of the Shide profiles surpass all the current standards.