1.ISO9001,RoHS 2.OEM service 3.GB/T1234-1995 standard 4.Stanle and ... ,0Cr21Al6Nb,0Cr21Al6,0Cr21Al4,0Cr19Al3,FCHW-1,FCHW-2, Kanthal A1, Kanthal D,0Cr15Al5,0Cr13Al4,FCHR-2,0Cr27Al7Mo2,etc. 4. Size:Round wire ... , electric warmer, etcIndustrial Series: can be used for water heater, industrial electric furance, far infrared ray device, boiler, heating element, industrial oven, etc