杭州重力腳輪科技有限公司（原寧波貝斯特聚氨酯有限公司）是一家目前國內規模最大、技術最專業的生產聚氨酯制品、聚氨酯輪、高軌聚氨酯減震器、橡膠輪、塑料輪、五金輪架的大型企業，座落在中國杭州桐廬經濟開發區。擁有全自動化鑄造翻砂流水線設備和5臺全自動鋁壓鑄機。真正做到對產品從始至終的質量管理保證。公司共有生產車間九棟。共分為注塑、模具、鋁壓鑄、橡膠、金工、鑄造、PU、包裝和倉庫。
       原公司成立于1988年（公司屬下有房產、船務、酒店、養殖業等產業），本著“人品、產品、品品求精；今年、明年、年年思變”的企業精神和“以質量求生存，以信譽占市場”的經營方針，不斷發展壯大，故在中國杭州桐廬經濟開發區籌建杭州重力腳輪科技有限公司，廠房面積60000平方米。原公司生產的各系列輪子、高軌聚氨酯減震器，產品高強度，不脫膠，以可靠的質量和優質的售后服務融入了東南亞及歐美市場，90%產品出口，并獲得了廣大客戶的信賴和支持。公司以此為基點，使杭州重力腳輪科技有限公司成為一個世界性的“聚氨酯制品及聚氨酯輪、高軌聚氨酯減震器”生產及供應基地。
       公司將會更加努力進取，以更優質、更高效的服務回饋廣大客戶!
        您滿意的微笑是我們永恒的追求!專業的技術力量，是您最佳的選擇!

－On the Road: Gravity is Progressing

Gravity Caster, is also well known as NingBo Best Polyurethane Co., Ltd, is located in Tonglu, Hangzhou, which has been voted as the most beautiful town in China. The mother company, NingBo Best Polyurethane, was founded in 1989, which became one of the leading manufacturers of wheels as well as swivel and fixed castors for every field of application. In recent years, our company has specialized in design and manufacturer of heavy duty wheels and casters, so we gladly introduced Gravity Caster to the public in 2016 with 60,000 square meters new facilities and more than 200 well-trained employees. Gravity is moved by only one goal: Keep Dreams Rolling. For this company philosophy Gravity manufactures everything from scratch to ensure meeting different customers’ quality standards, as well as a completing control on delivery dates. All of these allow us to continually guarantee the high Gravity quality standard.