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About Us

Founded in 1986, Changchun Chemistry Technology Co., Ltd. (CCMT) is a professional manufacturer of cable accessory solutions. Backed by the technical support of the Changchun Institute of Applied Chemistry, we specialize in heat shrink and cold shrink cable accessories, cable joints, heat shrink tubing, sealing mastics, and waterproof tapes for power and communication cables up to 220kV.

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  • Choosing Heat Shrink Tubing for Wires—A Procurement Guide

    The​‍​‌‍​‍‌ picking of thin-wall heat-shrinkable tubing needs thorough analysis of the size of the part being protected, the shrink ratio, the thickness of the wall after the shrinking process, the properties of the material, and the real-life working conditions, in a bid to guarantee a good fit when it is put in a new place, and insulation protection of the ​‍​‌‍​‍‌part.

    3010-2026
  • How Do You Choose the Right Size for a Cable End Cap?

    When selecting the cable end cap, the specific model and applicable diameter range should be confirmed according to the actual outer diameter, end structure, required coverage length and end cap type of the cable, so as to avoid the influence of size mismatch on sealing and protection effect.

    2610-2026
  • How Do EPDM Cold Shrink End Caps Help Cable Manufacturers Simplify Installation and End Sealing?

    The EPDM Cold Shrink End Cap of CCMT adopts a pre-expansion structure, which can complete the cable end sealing without heating. It is suitable for temporary protection before cable production, storage, transportation and installation, which can help simplify the installation process and improve the efficiency of batch operation.

    2410-2026