Guangzhou Casen Door CO.,LTD places great importance on raw materials used in the manufacturing of solid core mdf interior doors-hdf doors. Each batch of raw materials is selected by our experienced team. When raw materials arrive at our factory, we take good care of processing them. We totally eliminate defective materials from our inspections.. To establish Casen brand and maintain its consistency, we first focused on satisfying customers' targeted needs through significant research and development. In recent years, for example, we have modified our product mix and enlarged our marketing channels in response to the needs of customers. We make efforts to enhance our image when going global.. Our dedicated and knowledgeable staff have extensive experience and expertise. To meet the quality standards and provide high quality services at Casen wooden door, our employees participate in international cooperation, internal refresher courses, and a wide variety of external courses in the areas of technology and communication skills..