Inquiry (采购产品): ammonium persulphate Good Morning, We are looking for a supplier for 55 pound bags- 6-8 of them - of Technical Grade Ammonium Persulphate for our limited run prototype circuit board etching. Our previous supplier is out of business. Please advise if you can supply this material to us and what our cost would be if we picked up at your warehouse. Thank you. Steve Worack, PRESIDENT Circuitron, Inc. 211 RocBaar Drive Romeoville, IL 60446 (815) 886-9010 **** Hidden Message ***** Steve Worack 60446 Company: Circuitron, Inc. E-mail: steve@circuitron.com **** Hidden Message ***** steve@circuitron.com