• Precision push-pull sleeve&spring tube technology empowers cable protection in eight major industries

    From industrial equipment to petrochemicals, with over 30 years of core pipe experience, we provide reliable “armor” for every cable

    • Accumulation of push-pull casing technology
    • Covering eight major industry applications
    • One stop service from sampling to mass production
    View industry solutions

Products

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Sleeve series

PTFE pipe series

Woven Pipe Series

Door lock cable

application

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  • Industrial Automation & Machine Tools

    Oil-resistant drag chain protective cover, resistant to cutting chips and scratches

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  • Industrial Automation & Machine Tools

    Oil-resistant drag chain protective cover, resistant to cutting chips and scratches

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  • Industrial Automation & Machine Tools

    Oil-resistant drag chain protective cover, resistant to cutting chips and scratches

    Learn More

  • Industrial Automation & Machine Tools

    Oil-resistant drag chain protective cover, resistant to cutting chips and scratches

    Learn More

  • Industrial Automation & Machine Tools

    Oil-resistant drag chain protective cover, resistant to cutting chips and scratches

    Learn More

  • Industrial Automation & Machine Tools

    Oil-resistant drag chain protective cover, resistant to cutting chips and scratches

    Learn More

  • Industrial Automation & Machine Tools

    Oil-resistant drag chain protective cover, resistant to cutting chips and scratches

    Learn More

  • Industrial Automation & Machine Tools

    Oil-resistant drag chain protective cover, resistant to cutting chips and scratches

    Learn More

Industrial Automation & Machine Tools

Oil-resistant drag chain protective cover, resistant to cutting chips and scratches

Automobile&New Energy

High temperature wire harness protection, high voltage wear-resistant and flame-retardant

aerospace

Reliable protection in extreme environments

medical equipment

Flexible conductivity, disinfection and corrosion resistance

Semiconductor/Laboratory

Strong acidity, alkalinity, high temperature, safe and worry free

Fiber Optic&Communication

Pressure resistant and flame-retardant, anti rodent bite protective sheath

Robots and Precision Instruments

Millions of bends, extremely small bending radius

Petroleum/Chemical Industry

Oil-resistant drag chain protective cover, resistant to cutting chips and scratches

Our technical capabilities

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Push pull casing technology demonstration

  • Low friction coefficient inner layer
  • High density woven reinforcement layer (stainless steel/Kevlar/aramid)
  • Bending resistance, tensile resistance, and long lifespan
  • Typical applications: automotive shift lines, medical operation catheters, robot transmission sheaths

Spring tube technology exhibition

  • Spiral structure provides excellent flexibility and rebound
  • Compression resistance, fatigue resistance, small bending radius
  • Can encapsulate multiple materials to adapt to different environments
  • Typical applications: pneumatic pipeline sheath, drag chain protection, precision instrument wiring

PTFE pipe display

Product Features

  • High and low temperature resistance: applicable temperature range * * -180 ℃~+260 ℃**
  • Excellent corrosion resistance and weather resistance
  • Good lubricity, non adhesive on the surface
  • Non toxic and harmless, with flame retardant properties
  • Acid and alkali corrosion resistance (excluding molten alkali metals)
  • Good antioxidant performance

application field

aerospace

Reliable protection in extreme environments

medical equipment

Reliable protection in extreme environments

Semiconductor/Chemical/Laboratory

Reliable protection in extreme environments

Our technical capabilities

View all content

Push pull casing technology demonstration

  • Low friction coefficient inner layer
  • High density woven reinforcement layer (stainless steel/Kevlar/aramid)
  • Bending resistance, tensile resistance, and long lifespan
  • Typical applications: automotive shift lines, medical operation catheters, robot transmission sheaths

Spring tube technology exhibition

  • Spiral structure provides excellent flexibility and rebound
  • Compression resistance, fatigue resistance, small bending radius
  • Can encapsulate multiple materials to adapt to different environments
  • Typical applications: pneumatic pipeline sheath, drag chain protection, precision instrument wiring

PTFE pipe display

Product Features

  • High and low temperature resistance: applicable temperature range * * -180 ℃~+260 ℃**
  • Excellent corrosion resistance and weather resistance
  • Good lubricity, non adhesive on the surface
  • Non toxic and harmless, with flame retardant properties
  • Acid and alkali corrosion resistance (excluding molten alkali metals)
  • Good antioxidant performance

application field

aerospace

Reliable protection in extreme environments

aerospace

Reliable protection in extreme environments

aerospace

Reliable protection in extreme environments

About Us

Chongqing LianYi Auto Parts Co., Ltd., which was founded in 1995 is a professional control cable outer casing manufacturer in Chongqing China. As the biggest control cable casing manufacturer in southwest China, we are specialized in push pull and flat wrap steel cable outer casing, high precision small diameter plastic tube, control cable and cable parts. We have passed ISO/TS16949 standards, and have been awarded as Excellent OEM & Excellent Quality company by our customers in the past years.

Years of experience in manufacturing push-pull tubes/spring tubes
Precision weaving/extrusion equipment
Large industry application coverage
Customized solution delivery

Certification Display

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ISO 9001

ISO 9001

ISO 9001

No matter what challenges your cables face, we can provide customized protection solutions

Consult immediately Download product manual