Keeling & Walker 2018 New partnership January 23, 2018 additive, additivo, biossido di stagno, filler, keeling & walker, laser marking, marcatura laser, materie plastiche, Plastic materials, polimeri, Polymers, Tin OxideWe are very pleased to introduce you to our new LASER MARKING strategic partner Keeling & Walker, world leader in Tin Oxide related products. From 2018 WPS-Italy will be the new…