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HAIYAN BOOMSHINE EXPORT&IMPORT CO.,LTD
we have our own factory called ZIYUN FASTENER,so we can produce various kinds of nuts ,DIN ,ISO,ANSI and BSW etc. From M2-M24. About surface treatment ,we can provide you zinc plated ,plain ,yellow zinc plated ,black and black with heat treatment.Also,we can provide you bolts ,screwes,anchors and threaded rodes.
GRADE:4 6 8 10
SURFACE TREATMENT:plain,blue zinc plated,yellow zinc plated,black with heat treatment,black,hot dip galvanizing
PACKAG:as customers'request
TERMS OF PAYMENT:30% advance payment,70%T/T after received the fax copy of bl