China back flow valve Manufacturers, Suppliers, Factory

HY is a professional back flow valve manufacturers and suppliers in China. Welcome to our factory to buy back flow valve. Our high quality products is not only made in China and we have quotation.

Hot Products

  • Stamping Wire and Cable Connectors

    Stamping Wire and Cable Connectors

    HY is a professional Stamping Wire and Cable Connectors manufacturers and suppliers in China. Precision manufacturing of stamping wire and cable connector components is critical because debris or loose connections can create gaps or drag between the module and the cable or wire.
  • Metal Brand Seal

    Metal Brand Seal

    Customized Metal Brand Seal, mirror polished, solid brass HY designs a unique seal taste for you. The iconic "shiny" head is machined from a solid brass blank and coated with an ultra-fine ceramic layer.
  • Uv Nail Lamp Metal Shell

    Uv Nail Lamp Metal Shell

    Xiamen Hongyu Intelligent Technology Co., Ltd. is one of the manufacturers specializing in the production of high-quality Uv Nail Lamp Metal Shell. You can rest assured to buy uv nail lamp metal shell from HY. We will provide you with the best after-sales service and timely delivery.
    Product name: LED Nail Lamp shell
    Surface treatment: sandblasting
    Material: aluminum alloy
    Feel: anti-fall, wear-resistant, not easy to break, smooth and textured
  • Crimp Connectors

    Crimp Connectors

    HY crimp connector proofing highlights:
    1. Excellent material far exceeds national standards
    2. Lifespan can reach more than 100,000 times
    3. Durable to more than 20,000 plug-and-pull times4. Anti-oxidation/anti-fatigue/good rigidity/high precision
    As one of professional manufacturer in China, HY would like to provide you Crimp Connectors. And we will offer you the best after-sale service and timely delivery.
  • Aluminum Flange

    Aluminum Flange

    Xiamen Hongyu Intelligent Technology Co., Ltd. specializes in providing a series of products such as flanges, elbows, and pipe fittings. We will use different materials for processing according to the customer's usage scenarios and needs, such as stainless steel, carbon steel, alloy steel, etc. The products are widely used in petroleum, chemical, machinery, electricity, metallurgy, etc. The company's products support material, specification model, non-standard drawings, and customized packaging.
    Processing technology: forging and casting
    Keywords: ductwork flange
    Application: pipeline connection
    Flange type: slip-on welding flange
  • Aluminum Alloy Die Casting

    Aluminum Alloy Die Casting

    Xiamen Hongyu Intelligent Technology Co., Ltd. specializes in aluminum alloy and zinc alloy die-casting processing, and has 17 years of relevant processing experience. HY supports one-stop services from mold design, manufacturing, die-casting burring, polishing, CNC processing to surface treatment.
    Processing service: die cast metal
    Proofing cycle: 3-7
    Processing type: OEM customization
    Mold opening cycle: 7-12 days

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