Ductile Iron Manhole Cover, Tempered Glass, Insulated Glass manufacturer / supplier in China, offering 3-12mm Tempered Glass for Window and Door for Sale, Toughened Glass Industrial Usage for Shower Screen & Staircase Decoration Competitive Price, 12mm Thick Tempered Glass for Flooring Applications, SGS Tested, Load-Bearing Capacity 500kg/M² and so on.