Inquiry (采购产品): Aluminum Seal Cap We currently manufacture cast iron compressor valves and are looking at cost reductions by converting the threaded cap to aluminum. If you are intrested, please let me know. Thank You, Wes Dunn **** Hidden Message ***** Wes Dunn 37074 Company: Mueller Refrigeration E-mail: wdunn@muellerindustries.com **** Hidden Message ***** wdunn@muellerindustries.com