Inquiry (采购产品): For prototype We require 1 or 2 each of 1/2" and 3/4" diameter hollow SST spheres for prototyping. What is the price of your hollow SST spheres? What is your minimum purchase? Do you accept credit cards? **** Hidden Message ***** Thomas Kreher 97062 Company: Applied Pneumatic Controls E-mail: tom@applied-pneumatic.com **** Hidden Message ***** tom@applied-pneumatic.com