... Stencil Making, Customer Stencil Paste, PCB stencil for SMT,PCB and PCB assembly factory, Samples are allowed KBT PCB Board Specification DescriptionPCB SpecificationMaterialFR-4/HTG150 ... /Lead Free HASL/OSP/Gold Plating/Immersion Gold/ENIGCertificateROSH. ISO9001,SGS, UL CertificateFileProtel 99se/P-CAD/Autocad/Cam350 SMT Stencil for PCB, Steel Stencil Paste