Inquiry (采购产品): BACKING RINGS PLEASE SEND ME SOME CATALOGS REGARDING BACKING RINGS ARE CURRENT SUPPLIER IS ROBVON WE ARE NOT TO HAPPY WITH THEM AT THIS TIME THANK YOU **** Hidden Message ***** dave chester 3900 trent ave cleveland, OH 44109 USA Company: OHIO PIPE VALVE & FITTING Title: SALES Phone: 216-631-6000 Fax: 216-631-4874 E-mail: dchester@ohpipe.com **** Hidden Message ***** dchester@ohpipe.com