Hebei Jianan Window and Door Sealing Technology Co., Ltd. was established in 2000, covering an area of about 20,000 square meters, located in the birthplace of Zhang's ancestral temple - Qinghe, Hebei. The company is located in the economic and technological development zone, adjacent to the Beijing-Kowloon Railway and Qingyin Expressway, 120 kilometers away from Jinan Airport, with convenient transportation and beautiful environment.

Jianan Sealing is one of the earliest, most complete, and comprehensive manufacturers of wrap-around sealing products and window and door sealing products in China. From the front-end independent development of materials to the back-end bonding and packaging of finished products, a complete industrial chain has been formed. The main equipment and technology are introduced from the world's leading production lines and automatic bonding technology. Products include more than 170 models and varieties of self-adhesive wrap-around sealing strips, groove-type wrap-around sealing strips, slotted wrap-around sealing strips, fire-resistant fire-retardant expansion seals, and door bottom seals. Products are widely used in household windows and doors, household wardrobes, aerospace windows and doors, nuclear power plant windows and doors, and various fire doors and windows. Jianan Sealing is an internationally certified quality management system enterprise. According to the future development trend of the building and home market: health, environmental protection, fashion, and elegance will become the main theme. The company will closely follow the pulse of the times and promote the great development of the world's window and door sealing series! We firmly believe that the value of the enterprise lies in the happiness of employees and the moving of customers. We will be committed to bringing harmony and happiness to thousands of households with high-quality products and services.