Chengdu Da Qian Door Co., Ltd. is a large manufacturer about series door. The company is found in 1995, located in the North District, Modern Industry Port, Chengdu, R. P. China. The area is above 20, 000M2. We engage professionally in researching and producing series door by using advanced equipment and technology. We use CAD design, manage by ERP system, and control the products quality as ISO9001. Our products include steel door, mother &son door, door with telephone, set door, security door, steel& wood door, solid wood door, no-paint door, door with telephone, electricity door, door frame and so on. We have obtained lots of patent in the design of the door. Trust yourself, Trust us. Our products are your best choice.