Baoji Refractory metal Developer Co.,Ltd is one of the leading China niobium target manufacturers and suppliers,Website:http://www.rmd1994.com, and as a professional company we have productive factory, welcome to wholesale niobium target products from us.² Used:Are widely used in decorative coating industry,construction glass or and optical data storage industry,etc. ² Chemical Composition: Chemistry %GradeNbImpurities maxZrTiCNOHTaFeSiWNiMoCrNb1Remainder0.020.0020.010.0150.0150.0010.100.0050.0050.030.0050.0100.002Nb2Remainder0.020.0050.020.050.0250.0050.250.030.020.050.010.0500.01 ² Specification:1.Thickness: 1~20mm, Width :10~1000mm, Length :200~2000mm2.Diameter:25-400mm,Thickness:3-28mm3.Supplied in according to customer’s requirement