德雀系统门窗以“科技创新，品质精良”为经营理念，始终坚持“精益求精，追求卓越”经营宗旨，在保证产品的品质上，选用名优厂家生产的铝合金型材及五金配件。表面处理采用国际先进喷涂技术，严格执行质量管理及环境管理体系标准，产品从优先材料到成品，每一道工序，每一次细节都体系品牌追求产品零缺陷的行为准则。

Deque system doors and windows, originated in 1992, is a modern enterprise that provides complete door, window, curtain wall, sun room product application solutions, product manufacturing, and after-sales service for high-end users around the world; Deque has excellent R&D, design, and marketing With the service team, we have been continuously exploring, researching, testing, improving and obtaining a number of patented technologies and honor certifications for many years. Relying on the newly upgraded SE7 safety system, DEQ will create a safe, healthy and high-quality life for consumers with higher safety standards.

  Deque system doors and windows adhere to the business philosophy of "Science and Technology Innovation, Quality First", and always adhere to the business tenet of "Keep Improving and Pursue Excellence". In order to ensure the quality of products, we choose aluminum alloy profiles and hardware accessories produced by famous and excellent manufacturers. The surface treatment adopts international advanced spraying technology, strictly implements quality management and environmental management system standards, and products from priority materials to final products, every process and every detail are based on the brand's code of conduct to pursue zero-defect products.