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Looking for reliable and cost-effective digital manifold gauges for your HVAC business? DUOYI has got you covered. As a leading manufacturer of manifold digital products, we offer a wide range of digital gauges and HVAC testing equipment that are designed to improve accuracy and efficiency.

Our digital manifold gauges are ideal for professionals in the HVAC industry, providing real-time data on refrigerant pressure, temperature, and more. Our products are made to the highest quality standards and are backed by our commitment to customer satisfaction.

Looking for wholesale or OEM options? We offer competitive pricing for bulk orders and can even customize our products to meet your specific needs. Trust DUOYI for all your digital manifold and HVAC testing needs. Contact us today to learn more.
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  • Duoyi Successfully Concludes the 2024 Trade Show Season with Excellence

    Duoyi Successfully Concludes the 2024 Trade Sho...

    Duoyi to Participate in the 2025 China Shanghai Refrigeration Expo Exciting new products will be showcased, including advanced digital manifolds, refrigerant leak detectors, refrigerant quality analyzers, and more. We welcome...

    Duoyi Successfully Concludes the 2024 Trade Sho...

    Duoyi to Participate in the 2025 China Shanghai Refrigeration Expo Exciting new products will be showcased, including advanced digital manifolds, refrigerant leak detectors, refrigerant quality analyzers, and more. We welcome...

  • Quick overview of all DUOYI ground resistance testers’ simple introductions.

    Quick overview of all DUOYI ground resistance t...

    DY4100: 3-wire ground resistance, lower price. DY4100A: 3-wire ground resistance, photovoltaic voltage, more convenient to use. DY4100B: 4-wire ground resistance, photovoltaic voltage, soil testing, easy to use. DY4300: 4-wire ground...

    Quick overview of all DUOYI ground resistance t...

    DY4100: 3-wire ground resistance, lower price. DY4100A: 3-wire ground resistance, photovoltaic voltage, more convenient to use. DY4100B: 4-wire ground resistance, photovoltaic voltage, soil testing, easy to use. DY4300: 4-wire ground...

  • Duoyi New Digital manifold - Affordable Digital Manifold with Condensation/Evaporation Readings, Pressure Holding & Vacuum Functions

    Duoyi New Digital manifold - Affordable Digital...

    Duoyi is a leading manufacturer of HVAC industry tools from China. Our Duoyi products are 20% more affordable compared to other brands. ✅ Duoyi guarantees high quality, increased production efficiency, and optimized product yield. ✅...

    Duoyi New Digital manifold - Affordable Digital...

    Duoyi is a leading manufacturer of HVAC industry tools from China. Our Duoyi products are 20% more affordable compared to other brands. ✅ Duoyi guarantees high quality, increased production efficiency, and optimized product yield. ✅...

  • Duoyi Unveils 2025 Products at the 2024 Hong Kong Electronics Fair

    Duoyi Unveils 2025 Products at the 2024 Hong Ko...

    Duoyi at 2024 Hong Kong Electronics Fair: Showcasing Next Year’s New Products   Duoyi proudly participated in the 2024 Hong Kong Electronics Fair, presenting our latest products for 2025. We...

    2 commentaires

    Duoyi Unveils 2025 Products at the 2024 Hong Ko...

    Duoyi at 2024 Hong Kong Electronics Fair: Showcasing Next Year’s New Products   Duoyi proudly participated in the 2024 Hong Kong Electronics Fair, presenting our latest products for 2025. We...

    2 commentaires
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