... good .Natural, Nickle Plated, Tin Plated or any coating .Screw,high quality steel (Iron) ,surface : yellow zinc,nickle,white zinc Voltage:250 ... Offered,Buyer Label Offered , we can offer samples or the drawings to process production according to the customer, supply different size ... block ,link bar etc. for 6 years. Tolerance:±0.3mmOnly part of the products are listed above, please visit our web ...