Spring-T International Co., Ltd. supplies vulcanized fiber, vulcanized fiber sheets, vulcanized fiber tubes, polyester fiberglass pultruded sheets and tubes, electrical insulating kraft paper, bleached and unbleached kraft paper, transformer paperboard, pressboard, epoxy resin coated kraft paper, diamond coated kraft paper, diamond dotted paper, and diamond pattern paper for electrical insulation and other applications. Spring-T International Co., Ltd. also supplies industrial laminates in sheet, tube, and rod forms. These industrial laminates include ASTM D 709 and NEMA Grades X, XP, XPC, XX, XXP, XXX, C, CE, L, LE, G-3, G-5, G-7, G-9, G-10, G-11, FR-4, FR-5, GPO-1, GPO-2, GPO-3, etc.</p>