ISO9001, ISO14001, ISO18001;
IEC and national standard
Pin Composite Insulator

1. Silicon Rubber for sheds/housing

2. Glass-fiber reinforced epoxy resin rod(ECR type)for core

3. Hop dip galvanized cast steel for metal fittings

4. 5000hours aging test.

5.. IEC standard.

Following further information for your kind reference:

Longxin covers around 50,000 square meters.

Longxin is a recommended company for State Grid construction and reconstruction.

Longxin is a Quality, Service, Credit AAA company.

Longxin is a Jilin Star Company.

Longxin is a hi-tech company and the composite insulator has been praised as China High-quality Product by National Credit Evaluation Committee and China Enterprise Credit Evaluation Centre.

By the way, our company could offer design and service according to your special requests. Also, our company would like to cooperate with your kind company in OEM.