Hebei Wanlong Sealing Technology Co., Ltd. is a manufacturer of seal strips, electronic fire extinguishers, damping blocks, sealing putty, and blocking mud skin with well-equipped testing equipment and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively widely used in building materials, chemicals, automobiles, household appliances, bathrooms, municipal and other industries. Our products are widely recognized and ...