
Our PU foamed sealant strips are meticulously engineered using an exceptional blend of four high-quality materials. The exterior boasts a protective polyethylene film, while the interior is filled with premium polyurethane foam. A durable skeleton made from PP and a sophisticated thermoplastic elastomer composite ensures robustness. These strips are built to last, seamlessly fitting both wooden and aluminum alloy doors and windows with precision.














![]() |
Qinghe Pangu Sealing Technology Co., Ltd. Nestled in Qinghe County, Xingtai City, Hebei Province, we stand as a distinguished market leader in the realm of door, window, and curtain wall sealing strips. Our products are prominently featured in system doors and windows, elegant wooden doors, chic home wardrobes, sleek sliding doors, and a variety of robust fireproof doors and windows.
With pride, we offer a full spectrum of manufacturing capabilities, ranging from the innovative design and development of custom products to the creation of premium sealing strips and state-of-the-art equipment. Our processes include comprehensive testing, thorough validation, and stringent quality inspections to uphold the highest standards of product excellence.
Certified Excellence: We have earned an esteemed international ISO9001 quality system certification, alongside American AAMA, SGS, and Swiss ROHS certifications, reflecting our commitment to quality.
Driven by our steadfast principle of 'quality-oriented, striving for excellence, and technological innovation,' we are dedicated to crafting environmentally friendly and health-conscious product innovations.
We offer a variety of efficient transportation options for our valued customers, including sea, air, and express delivery, tailored to your specific needs.

