Sartomer Company announces that Kevin W. Rice, Christopher M. Stretch and Stephane Thion have been promoted to new sales positions, and that Michael J. McQuade has joined the company as a technical sales representative for the mid-central region.      “These four individuals are important in continuing the tradition of excellent service that our customers have come to expect from Sartomer Company,” said Al Tuccio, vice president of sales. “Our goal has always been to put the customer first.” ...