About Us
Qingdao Derman Aluminum Co., Ltd. was established in 2005. Our company is a professional manufacturer producing energy-saving aluminium windows, doors, curtain walls, railing/handrails, and other material windows. We boast a lot of professional management talents, strong technical research force and advanced manufacturing equipment. Moreover, the products of Deerman also comply with the National standard of metal windows and door projects. Our company is widely known to the real estate developers throughout China, and our products have already been exported to Australia, Denmark, Canada, Holland, the UK, the USA and so on.

The Deerman windows and doors have many advantages, such as high sound insulation, heat insulation and various designs to meet the needs of our clients. Our 20,000 square meter factory is intelligently and automatically equipped with state of the art processing base with annual production capacity of 10,000 square meters of window/door.

Our company has been adhering to the business philosophy of "sincere, dedicated, high-quality" and the purpose of "honest, truth-seeking, win-win development" to provide you with durable, high-performance, energy-saving and elegant products, creating sunny and agreeable life for you.