Among the three-layer insulated wires, Teflon insulated wires, self-adhesive insulated wires, stranded insulated wires, straight welded insulated wires, and stripped insulated wires produced by Suzhou Yusheng Electronics Co., Ltd., the following models have passed the extremely harsh insulation system of the US UL1446 Certification. The insulation system certification project has a long cycle, high certification costs, and a very low pass rate.

FIW-B*, YSW-B*, FLW-B*;

FIW-F*, YSW-F*, FLW-F*;

FLW-B-SB*;

FLW-F-SB*;

TIW-B*, TWE-3*;

TIW-F*, TWE-F*;

In this insulation system material, SUMITOMO's latest PM-9823 Bobbins have been used, and Tapes has also used 3M, Dupont, SYMBIO, CHYUN YIH, YAHUA, LIANGYI, etc.

Tubing and Sleeving has CHANGYUAN, SHENZHEN WOER, Shenzhen Zhongdianchenguang etc., Varnishes has ELANTAS 468-2, V1380; KYOCERA TVB2024.