Zhangjiagang Ask Building Material Industry Co., Ltd. was established in July 1999 ,We are a professional manufacturer with experience more than 10 years for magnesium oxide boards, HPL,HPL and magnesium oxide board laminated board for ship bulkhead system, OSB(oriented strand board) ,related fittings, , glass wool boards, grids and other construction products . ASK also has invested in beverage package area and have bought 45 stock of one factory and registered the brand of ASK , so we have ...