Profile: Robert PD Frost & Co. Ltd. specializes in manufacturing plastic injection moulding products. We are an ISO 9001:2000 certified company. Our services include prototype & development moulding and toolmaking. Our variety of plastic products are ABS, PP, PA6, HDPE, PC, PMMA COC, PA66, PC/ABS, PEI, PPS, PBT, and TPE plastics.