Low-frequency transformer commonly used fire-resistant express paper, Toyo Express paper, North Vietnam, North Vietnam Express paper, red steel paper and other related materials
1. Toyo Express Paper, North Vietnam Express Paper, Fireproof Express Paper, Red Steel Paper, Express Paper (Kraft), DMD, NMN: Fireproof and Non-Fireproof
2.Iron bridge: horizontal and vertical, round and square ears, electroplating materials, etc.