As the main manufacturer of wooden door-bathroom door, Guangzhou Casen Door CO.,LTD carries out a strict quality control process. Through quality control management, we examine and refine the manufacturing defects of the product. We employ a QC team which is composed of educated professionals that have years of experience in the QC field to achieve the quality control goal.. To expand our Casen brand, we conduct a systematic examination. We analyze what product categories are suitable for brand expansion and we make sure these products can offer specific solutions for customers' needs. We also research different cultural norms in the countries we plan to expand into because we learn that foreign customers' needs are probably different from those of domestic.. 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..