Our company has specialized in WPC (Wood-Polymer Composite) door panels and frames for nearly two decades, making this sector a cornerstone for our PVC additive products. We closely monitor key performance metrics such as foaming density, surface flatness, hardness, and linear weight to ensure optimal product quality. Over the years, we have developed comprehensive and mature solutions to address the various challenges commonly faced in the production of WPC door panels and frames. Whether it's improving structural integrity, enhancing surface finish, or ensuring consistent hardness, our expertise allows us to provide reliable and effective solutions tailored to the specific needs of this industry.