F E Knight Inc
F.E. Knight is a reputable company known for its high-quality and consistent products in the field of jewelry molding rubber. With a global reputation, they offer a wide range of silicone, natural, and RTV jewelry molding rubbers, as well as injection waxes. Their products are backed by world-class technical support and excellent customer service, making them a preferred choice for customers worldwide.
Goodwin Refractory Services (GRS) has recently acquired the remaining natural molding rubber product lines from F.E. Knight, further expanding their product range. As a division of Goodwin Refractory Services, Castaldo is a trusted brand that manufactures top-notch products in ISO-accredited facilities. With a focus on customer relationships and technical support, Castaldo offers silicone jewelry molding rubber, RTV rubber, natural jewelry molding rubber, and injection waxes to meet various needs in the industry.
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