JYD building materials ltd was established in 2001 as a large-scale enterprise specializing in R&D and production of door and window weatherstrips. Over the past two decades, we have continued to innovate and introduce advanced production equipment. Through unremitting efforts and strong support and affirmation from our customers, the company has now developed into a manufacturing enterprise integrating high, middle and low grade weatherstrips into industry and trade. The factory has established a strict quality control system from raw material selection, production control, semi-finished product inspection, product testing and storage control. Our well-established testing process and qualified quality control team ensure accurate and timely test data, enabling us to provide customers with the best quality products and services.