KINGDOM (P.R.C) is one of the most famous and largest door-manufactures in China. For more than 10 years our products are well-known for its first-class quality in China, and named as "National Top Brand".Main products of Kingdom are: steel security doors, wooden-steel doors (MDF + wood skin), laminated/ wood skin interior HDF doors.We also sell other construction materials like shower room , glass wool , we are not factory of this kind of production , but we have good system of sell , produce control , quality check , service after sell. You will find it is better to cooperate with us , because we are professional work team.