... quality,Reasonable price 4,Delivery timely 5,3 O-ring Specification :File folder BrandZLMaterialIronColourPlating,customer's colourSize280*20*15mmUsageStationeryMOQ500PcsPackingPlastic bag ... class product, competitive price and satisfactory service .1,High quality,reasonable price, sample is free2,Surface treatment: Chromium/ ... more than 10 years experience of OEM processing High intensity file folder