Lijialong boasts strong customization capabilities. As a company integrating R&D and production, it can customize door and window weatherstripping according to customers' specific requirements regarding size, material, performance (such as sealing, weather resistance, fire resistance, etc.), and color. The customization cycle varies depending on the complexity of the customization and the order quantity. Generally, simple customization may be completed in 7-10 working days, while more complex customizations, such as those involving special materials or processes, may require 15-20 working days or even longer. After receiving an order, the company will communicate with the customer to determine the exact delivery time based on the specific circumstances.

Lijialong's international ISO 9001 certification is a quality management system certification, ensuring that the company has strict quality control processes in all aspects of product research and development, production, and sales, guaranteeing the stability and consistency of product quality. ISO 14001 is an environmental management system certification, demonstrating the company's focus on environmental protection during production, using environmentally friendly materials and processes to reduce environmental impact. ISO 45001 is an occupational health and safety management system certification, reflecting the company's concern for employee health and safety, providing a good working environment, and indirectly guaranteeing product quality. European standards REACH and RoHS certifications have strict requirements for the safety of chemical substances and the restriction of hazardous substances in products, ensuring the safety and environmental friendliness of products during use. The American Academy of Building Research (AAMA) certification is a high-standard recognition of the performance and quality of building door and window products. These certifications combined comprehensively guarantee the high quality of Lijialong's products.

Lijialong's cleaning brushes have a wide range of applications. Besides vacuum cleaners, they can be used for furniture cleaning, removing dust and stains from sofas, wardrobes, and other furniture surfaces; their soft bristles effectively protect the furniture from scratches. In automotive cleaning, they can be used to clean car interiors, such as seats and dashboards, reaching deep into crevices to remove dust. In industrial applications, they can be used to clean oil stains and metal shavings from machinery; different bristle materials and hardnesses can be selected according to different cleaning needs. In electronic device cleaning, soft, fine-bristled cleaning brushes can be used for delicate electronic products such as computer keyboards and camera lenses to avoid damaging electronic components.

Lijialong's large-scale production capacity provides a strong guarantee for timely product supply. Five major production plants can simultaneously produce different product lines or fulfill different orders, improving overall production efficiency. The company employs 800 highly qualified staff members with extensive experience and professional skills in their respective positions, enabling them to operate production equipment proficiently and ensure smooth production processes. Furthermore, the company's advanced production management system can monitor and schedule the production process in real time, rationally allocating production tasks based on order priority and production progress, and adjusting production plans promptly to respond to changes in market demand. Simultaneously, the company's reasonable inventory management strategy ensures rapid shipment upon receiving orders, meeting customers' requirements for timely product supply.

As a leading unit in national industry standards, Lijialong actively contributes to industry innovation. In research and development, the company continuously increases investment, boasting a professional R&D team dedicated to researching new materials, processes, and technologies to improve product performance and quality. For example, in the development of window and door weatherstripping, the company explores new sealing materials to improve the sealing performance and durability of the weatherstripping; in cleaning brushes, it develops more efficient cleaning bristle materials and structures. Regarding product innovation, the company continuously launches new product series and styles based on market demand and industry development trends. For instance, it develops window and door sealing strips with special functions and wrapped sealing strips to meet the personalized sealing needs of different customers. Simultaneously, the company actively participates in industry exchanges and cooperation, sharing innovative experiences and technological achievements with domestic and international counterparts, promoting the innovative development of the entire window and door weatherstripping and cleaning brush industry.