1.Sixteen Years' Manufacturing ExperienceQingdao Knowledge industry&Trading Co.,ltd, always take high quality and excellent service as basic principle. In recent years, we have always been holding concept of gaining trust with honesty, winning with quality and developing with innovation.As the leader supplier in China, our goal is to help customers print out the most beautiful colors. We will keep striving for excellent product quality and common developing with customers, we would like to create bright future with worldwide friends. Welcome to contact us and start win-win cooperation.2.Three Hundred Kinds of ProductsNowadays our products include Book Printing, Box Making, Card Printing, etc. Also offer OEM and ODM service.3.99.5 Percent SatisfactionHigh quality and excellent service have always been our company's principal. The warm and timely service, meticulous and accurate demand communication, personalized customization, our customer satisfaction reached 99.5% - 100 customers only 0.5 dissatisfaction, we will customize the perfect after-sales service for these 0.5 customers to solve the problems, and strive to make each customer 100% satisfaction.