Jiangsu Tiemao (江苏铁锚科技股份) is a Nantong safety-glass group whose special-glass division supplies borosilicate fire glass, microcrystalline fire glass and composite insulating fire glass, together with steel, aluminium and stainless fire-rated framing for fire doors, partitions and curtain walling. Its fire-protection-rated glazing is UL Listed under file R38890 in category KCMZ, assessed to ANSI/UL 9 with the UL 263 hose-stream test, with a parallel Canadian listing under KCMZ7. Product is also declared to EN and GB fire-resistance standards and used in building, high-speed rail, lift and shipbuilding applications. The group is a national single-champion enterprise for rail-transit glazing.