the company has formed more than 20 products in six categories, including phenolic composite air duct series ww-w1, anti-corrosion and silencing smoke exhaust air duct plate ww-w2, modified phenolic exterior wall insulation board series ww-w3, modified phenolic composite sandwich board ww-w4, foreign modified phenolic composite air duct series ww-w5 and polyurethane composite insulation board series ww-w6. The company has an annual production capacity of 7 million square meters of phenolic composite air duct for central air conditioning, 3 million square meters of anti-corrosion, silencing and smoke exhaust air duct board, 2 million square meters of modified phenolic composite sandwich board, 500000 cubic meters of modified phenolic exterior wall insulation board, 1 million square meters of foreign modified phenolic composite air duct and 1 million square meters of polyurethane composite insulation board