Dalian Golden House Door & Window Mfg Co., LTD is the world's leading manufacturer of wood and hollow metal doors and frames,Website:http://www.ghdoorframe.com, a family owned and operated firm. It supplies a full line of quality custom and standard products which can be used for new and retrofit construction projects in commercial, educational, healthcare markets. Golden House Doors ( GH Doors ) was founded in 1988 by Mr. Cai who is the famous engineer at mechanical design and researching field.