Inquiry (采购产品): Marking Identification We are planning on adding either serial number/date codes for identification. We require up to 6 characters ?” to 3/8” tall on the enclosed sample. The part is a ?” diameter solid steel rod – Rockwell hardness 30 to 35. The rod is up to 38” long. Volume – 1000 pcs/annually. We are not sure what the best equipment/method to use for cylindrical surface marking. Contact me if you can help us out. Dave Valent Cottrell Inc 770-532-7251 **** Hidden Message ***** David Valent 2125 Candler Road Gainesville, GA 30507 USA Company: Cottrell Inc Title: Manufacturing Engineer Phone: 770-532-7251 X261 E-mail: dvalent@corttrelltrailers.com **** Hidden Message ***** dvalent@corttrelltrailers.com