Inquiry (采购产品): branson sonic welder 900 series I would like an instruction manual or if possible a "Standard Operating Procedure" handbook on the "Branson Sonic Welder 900 Series." This model may be obsolete, but we some how keep it running for the past twenty or so years. Thank you for your time in reading this message, I hope all goes well in your search. Thank you Ruben Sanchez **** Hidden Message ***** Ruben Sanchez 11077 Rush Street South El Monte, CA 91733 USA Company: Plastic Dress - Up Title: Water Treatment Technician Phone: (626)442- 1985 Ext. 248 E-mail: jose.aguilar@pdu.net **** Hidden Message ***** jose.aguilar@pdu.net