... load ability and also can prevent the access of sundries of 18mm in diameter. This kind of gratings fit for pedestrian deck, walkway and ... drawing, sectional view and joint drawing.supply OEM. 3. In the case of stair treads, please specify its type, length, width, ... Co., Ltd. is located in Anping County, the famous "wire mesh town of China". Our company specializes in manufacturing chain link fences, ...