Calrton Doors and Windows, under Beijing HOSTEC Steel Structure Co., Ltd, is the specialist manufacturer of glass louver windows, glass shutters, which has various of products line.

Since the company establishment, in order to meet the needs of construction market, we concentrate on the products quality, the introduction of qualified personnel, the update of products and the advanced equipments.

Our annual production capacity achieves 80,000-100,000 SQM of various kinds of windows and doors, every technical indicator of the products reach the leading level of the world.

Our company concentrate on superior quality, humanity service, and making high-tech and leading products, creating"Calrton"to be first-class brand. Combined with the needs of clients, we provide product research & development, design, production and installation service.

Calrton sincerely look forward to cooperate with both international and Domestic clients in construction field, hand in hand, altogether create the Glorious future!