... company which integrates design, manufacture, assemble, inspection and exportation. Our 20 R&D team can work with you on your drawings ... is USD27,000,000. Our wheel diameter is from 15mm to 300mm, materials include rubber, TPR, PU, plastic, nylon, cast iron, pneumatic, ... American type, and the popular type. Casters are more than 50 series, 1000 types for customers’ choices and wide different usage ...