Lead Strong Trading Co., Ltd.
Leader Tube · Lead Strong Group

Leader Tube Development
Co., Ltd.

A specialist manufacturer of insulated copper tube, insulation tube and HVAC & refrigeration fittings. Leader Tube is a Lead Strong Group brand focused on copper tube solutions for air-conditioning and refrigeration systems, and also supplies PE packaging materials and a wide range of tube series.

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Company Profile

About Leader Tube

Leader Tube Development Co., Ltd. supplies insulated copper tube, insulation tube, PE packaging materials and HVAC & refrigeration fittings. Please call us with any requirement.

Our customers include large HVAC system contractors, residential air-conditioning installers and refrigeration equipment manufacturers, and we offer full custom packaging and insulation processing capability.

Business Items

INSULATING COPPER TUBE

Insulated copper tube for air conditioning requires no on-site insulation work. This high-quality HVAC piping material serves both cooling and heating, meets the piping requirements of homes, buildings and factories, and substantially reduces installation labour and time.
  • • Flame retardant, heat resistant, cold resistant and highly durable
  • • Excellent thermal insulation and non-hygroscopic
  • • Reliable condensation prevention
  • • Consistent flexibility and moisture resistance; suppresses noise and vibration
  • • Flame resistant; produces no toxic gas when burned
  • • Coils of integrated structure with copper tube inserted into heat-resistant insulating material.
  • • High quality, big longevity.
  • • Guarantee: tests anti-cracks, impurities, defects.
  • • Flexibility of copper tube superior to the average. Type C 1220 (phosphorus deoxidized copper)
  • • Protection anti-corrosion.
  • • Good U.V. resistant.
  • • Beautiful ivory insulation to obtain the best aesthetic effect.
  • • Useful, marking all the ML: it can be easily cut to the desire length, without scrap or waste.
Standard Series

C1220 / C1100 copper tube conforming to CNS 4421 and JIS H3300, commonly used for building water supply, gas and general refrigerant piping. Available as straight tube from 1/4" to 4" in 3M / 6M lengths.

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Standard Series specification table
Thick Wall Series

Heavy-wall copper tube for high-pressure and large-tonnage commercial HVAC systems. Wall thickness starts at 1.0mm and reaches over 3.0mm, conforming to ASTM B88 Type K/L.

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Thick Wall Series specification table
Single Tube Series

Individually packed straight copper tube, the first choice for split air-conditioning installations. Polished surface with capped ends to keep contaminants out of the tube.

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Single Tube Series specification table
Single Insulated Series

Copper tube wrapped in PE foam insulation, available in 6mm / 9mm / 13mm thickness. Shipping pre-insulated tube greatly reduces on-site insulation labour.

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Single Insulated Series specification table
Double Insulated Series

Two refrigerant copper tubes insulated as a pair with an integrated signal cable, widely used for high- and low-pressure piping in split air conditioners.

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Double Insulated Series specification table
PE Foam Tube

High-density PE foam insulation for refrigeration, air-conditioning and water supply piping. Thermal conductivity ≦ 0.040 W/m·K, CFC-free and environmentally friendly.

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PE Foam Tube specification table
Copper Fittings

Brazing joints, elbows, tees, cable ties, anti-vibration mounts, tube clamps and other accessories — one-stop sourcing.

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Copper Fittings specification table
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Contact Us

For any product inquiry or partnership request, please complete the form below and we will reply within 24 hours.

Leader Tube Development Co., Ltd. | Lead Strong Trading Co., Ltd.