News- Taizhou HuaDong Insulated Material Co., Ltd.

Composite Insulator Guide: Types, Selection Rules, and Procurement Checks

2026-10-02

Picture a 33 kV line running two kilometres inland from the coast. Its porcelain suspension strings need washing twice a year, and every wash costs a switching plan, a bucket truck and a crew. Re-str...

Tipoxy Fiberglass Core: Epoxy Core Rod Selection for Composite Insulators

2026-09-25

A composite insulator that fails in service rarely fails because the silicone housing was the wrong color. It fails because the fiberglass core inside it was selected, manufactured, or handled withou...

The Railway Insulator: Types, Materials, Selection, and Maintenance Guide

2026-09-18

An overhead railway line is only as reliable as its least visible component. The railway insulator, often taken for granted, is the hard-working barrier that keeps high-voltage current in the catenar...

Railway Insulator Guide: Types, Materials, and Selection for Electrified Lines

2026-09-11

At 6:40 on a weekday morning, the 27.5 kV feeder inside a busy urban tunnel loses insulation. The pantograph drops, the train glides to a halt, and every service behind it stacks up. In most cases th...

How to Choose the Right Composite Insulator？

2026-09-02

For engineers and procurement teams comparing composite insulator options, the direct answer is this: for long span high voltage transmission lines rated between 10kV and 500kV, a composite suspensio...

What Metal End Fittings Are, Why They Matter, and How to Choose the Right One

2026-09-02

Metal end fittings are the connecting, securing, and suspension hardware that hold insulators, conductors, and rails together across power transmission, distribution, and railway networks, and the ri...