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13 Series 643 Black PA Dark Green Plated Industrial Caster
1. Are you trading company or manufacturer? We are manufacturer since 2004. Previous it was plastics ejection company with over 20 years experience. 2. What is your warranty for your products? 18 months from the producing, the each item showed the producing date. 3. How can you control your quality? First, we have raw material testing. A. Determing the melt mass flow rate of various thermoplastics. B. Test the mechanical properties of various materials such as tension, compression, bending, shearing, tearing and pelling. C. Making test samples. D. Fast and accurate moisture determination. E. Fast and accurate measurement of solid density. F. Determination of the impact strenght of plastics. Then we have 1+11 testing standard: Weight carry running test 1.Initial wheel hub clearance test 2.Attrite wheel hub clearance test 3.Initial rotation clearance test 4.Attrite rotation clearance test 5.Braking test 6.Wheel brake effectiveness test 7.Rotation braking effectiveness test 8.Vertical static pressure test 9.Salt and acid test 10.High temperature test 11.Low temperature test Publicity