Inquiry (采购产品): small diameter tubing a) can I solder steel tubing? b) what diameters less than 1/4 " of steel and copper tubing do you carry? I would need the outside diamter and the inside diameter. c) how much does it cost and how little can I buy at a time? **** Hidden Message ***** Val Zacharias AB T3G 4J6 CAN Company: n/a E-mail: val@cmva.com **** Hidden Message ***** val@cmva.com