Guangzhou Casen Door CO.,LTD places great importance on raw materials used in the manufacturing of mdf doors-mdf barn door. 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.. With the rapid globalization, delivering a competitive Casen brand is essential. We are going global through maintaining brand consistency and enhancing our image. For example, we have established a positive brand reputation management system including search engine optimization, website marketing, and social media marketing.. We pride ourselves with outstanding services that make our relationship with customers as easy as possible. We are constantly putting our services, equipment, and people to the test in order to better serve customers at Casen wooden door. The test is based on our internal system which proves to be high efficiency in the improvement of service level..