Beijing Wenkangna Kitchen Furniture Supporting System Co., Ltd. is professional in research and development of many kinds of waterproof and fireproof materials. Our main products are various kinds of magnesium oxide boards, vermiculite boards, fireproof and waterproof boards, sound insulation materials and other related products. Since 2005, we have invested RMB35 million in researching and producing fireproof and waterproof materials. Our factory covers an area of 14,500 square meters. Conforming to GB/T24001-2004 idt ISO14001:2004 and ISO9001-2000 standards, our production process is eco-friendly and material-saving. Our series of boards and raw materials are inorganic, plant fibred, asbestos-free and gypsum-free. Therefore, they are widely applied as fire-protective and decorative materials for partition walls and suspended ceilings in the construction of high-level houses, hospitals