杭州重力脚轮科技有限公司（原宁波贝斯特聚氨酯有限公司）是一家目前国内规模最大、技术最专业的生产聚氨酯制品、聚氨酯轮、高轨聚氨酯减震器、橡胶轮、塑料轮、五金轮架的大型企业，座落在中国杭州桐庐经济开发区。拥有全自动化铸造翻砂流水线设备和5台全自动铝压铸机。真正做到对产品从始至终的质量管理保证。公司共有生产车间九栋。共分为注塑、模具、铝压铸、橡胶、金工、铸造、PU、包装和仓库。
       原公司成立于1988年（公司属下有房产、船务、酒店、养殖业等产业），本着“人品、产品、品品求精；今年、明年、年年思变”的企业精神和“以质量求生存，以信誉占市场”的经营方针，不断发展壮大，故在中国杭州桐庐经济开发区筹建杭州重力脚轮科技有限公司，厂房面积60000平方米。原公司生产的各系列轮子、高轨聚氨酯减震器，产品高强度，不脱胶，以可靠的质量和优质的售后服务融入了东南亚及欧美市场，90%产品出口，并获得了广大客户的信赖和支持。公司以此为基点，使杭州重力脚轮科技有限公司成为一个世界性的“聚氨酯制品及聚氨酯轮、高轨聚氨酯减震器”生产及供应基地。
       公司将会更加努力进取，以更优质、更高效的服务回馈广大客户!
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－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.