Many dealers hope to cooperate with 'big brands' when choosing door and window brands. Only brands that continuously innovate in products and technology, have good development plans and broad development prospects, are the 'big brands' with core competitiveness. However, the maturity of a large brand is also an important factor that cannot be ignored. Brand maturity directly determines market acceptance and user satisfaction. A large brand with profound cultural heritage and maturity, possessing a more mature operational system, richer experience in cooperation and support, and a more sensitive ability to perceive industry trends. This can not only prevent dealers from taking many detours during the exploration and operation stage, but also cultivate industry forward thinking entrepreneurs among franchisees through years of cooperation.