Testing machines

Test equipment for high-voltage insulators used in power transmission, distribution and substation systems. Mechanical tests include tensile testing, cantilever testing and mechanical load testing; electrical tests cover puncture testing, power frequency withstand testing, tracking and erosion testing, and more.

Production Machines

Production machinery for high-voltage composite insulators for overhead lines and power stations, covering ratings from 11kV to 400kV, including pin type, post type and tension type.

Custom turnkey solutions

Customized one-stop solutions for integrated insulator production and testing systems, covering equipment planning, lab construction, full-process quality control, technical support and professional training.

Company News

13 Feb 25
PowerGen 2025 in Dallas, TX

Contune International Corp Limited Makes a Mark at PowerGen 2025 in Dallas Contune International Cor...

Why choose us

Backed by experience and expertise, we deliver stable quality and comprehensive solutions for global clients.

  1. 1
    Professional Design

    Design of testing machines and production machines are made by professional machinery designer, based on each specifc test of technical standard.

  2. 2
    Mature Model and Products

    Structure and function of our machines are comparatively mature and have more stable performance in the long run.

  3. 3
    Experience In Multi Fields

    More than having experience in machinery field, our team has years of experience of manufacturing composite insulator and its QC process, as well as experience in logistics and exporting to overseas market, meeting different demands from different countries and areas.

  4. 4
    Exclusive Optimization

    We have been hearing feedback and improving and optimizing our products. Dozens of slight changes which are easily ignored by others  have been made for optimization of performance and better user experience.

  5. 5
    Constant After-sales Support

    To meet different demand of different clients, our user manual and operating software have different langue version like Chinese, English, Russia and etc. More than that, update for software are FREE.