1. ISO9001:2008 2..Material:ABS for Plastic Fan Blade 3.Tolerance:+/-0.02 4.Small / OEM accepte ... Operation, Packing, Assembly, Exporting, and After-ServiceDetails DescriptionItem NamePlastic Fan Blade UsagePlastic PartsCore BusinessPlastic Injection Household Appliances mold ,Die casting , ... questions, pls do not hesitate to contact me. FREE SAMPLES will be sent for your evaluation!Best regardsSonny ...