... 1,with good quality and low price 2,many years experience 3,with many types and sizes 4,with modern techonology Wenan Xinxing Hardware ... this product with large quantity every year .there are many types and many sizes to choose , such as galvanized type,spraying type,folding ... stainless type ,stip steel type and so on . and the sizes is various .for example , we have made 460mmX460mm ,480mmX480mm, ...