U-SIN TRADING (Beijing) CO. LTD. As Singapore sino joint venture company, we are a well established and one of the leading manufacturer. We are specialize in Laminated Veneer Door & Door Frame, and also distribute Hardware of Door Lock, Cabinet Handle, Knob and Bathroom Accessories etc. Our factories are located at Zunhua City near the capital of Beijing. Our factories have been established since 1995 and have built a reputation as a manufacturer excelling in quality, services and competitive price. All of our products are manufactured by using the Laminated Veneer Door, it is the most environmentally responsible building material available in the market. We have invested in a 360, 000 ***** factories and import high technology machinery from Germany, Italy, Spain and Taiwan to manufacture our decorative Laminated Veneer Door and Light-weighted Heat Preservative Solid Door up to 12, 000 pieces/month and 50, 000 pieces/month, respectively. In the meantime the factories quality control division will ensure that all of the products are in high quality. As a custom door manufacturer, we are willing and able to build doors in good quality and competitive price.