The ISO 9001:2015-certified ZhongShan Yongjiu Metal&Plastic Products Co., Ltd is a professional manufactory for designing and developing furniture, industrial and medical casters from 1980. In order to maintain the best quality products and service, we possess computer controlled injection molds, automatic pressing machines, new product research center and twenty automatic assembly lines. We adhere to the "high-quality service, mutual benefit and credit standing paramountcy" operating principles. Our R&D team can work with your drawings or special requirements. WINQO products have passed the SGS and TUV examination. Today WINQO is a well-known and accepted as a friendly trustable business partner for both domestic and oversea market.Looking for cost-effective and reliable casters? Please contact us without hesitation! We won't let you down!