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1.Material of the torsion spring:metal
2.Single torsion spring,double torsion spring and multi-torsion spring
3.Torsion in various directions
4.Advanced manufacturing and testing equipment
5.Strict quality control and management
6.Export directly
7.Standard material
8.Responsive service
9.the torsion is used for:all kinds of cars,machines,electronic products,electric
appliance,cameras,stationery,computers,power switches,miniature
switches,architecture,commodity and home appliance,A/v equipment,hardware, moulds,sports
equipment and gifts