Founded in 2003, Shanghai Qianru Trade Co., Ltd. has approximately 1000 employees. We focus on designing, researching and developing, manufacturing and selling Children&＃039;s 3D Puzzle Building Blocks. We have more than 200 self-developed designs and molds for you to choose from. We release at least 20 new products monthly to meet the latest market trends. Now, we are increasingly expanding our international markets. We also can make products according to your requirements and provide ODM service. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.