Zhongshan Sturdy Hardware & Plastic Products Co.,Ltd is the professional manufacturers of casters, hardware part and other material handling product, like trolley cart, canvas cart. Our designers are consistently research and innovate the new casters with the concept of making Ergonomic and Economic casters. Zhongshan Sturdy Hardware could not only focus on the function and design of casters, but also strive to supply the best caster solutions for every customer. Meanwhile, whether from the raw material, accessories or other hardware parts, we strictly control each process that ensure the products with the features of high quality, competitive price and short lead time. Cartons or pallet