Inquiry (采购产品): Black Oxide Plating We have 4 pins that we need to have black oxide coated. They Material used is ASTM 4340 RND 2.0" X 6.5" **** Hidden Message ***** Jeremy Parsons 98036 Company: Nova-Tech Engineering E-mail: jparsons@ntew.com **** Hidden Message ***** jparsons@ntew.com
