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    Quote

    Fast Track to a Quote

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    • SUNX Sensor FD-S21
    • SUNX Sensor FD-S21
    • SUNX Sensor FD-S21
    • SUNX Sensor FD-S21
    1/4

    • Certification | Testing
      Factory Certified

    • Refund guarantee
      24h refund guarantee

    • Secure Payment
      PayPal Verified

    Brand New
    In Stock

    SUNX Sensor FD-S21

    16 inquiries last 6 mos.
    US $ 92 .00 / ea
    Registered Members Enjoy Exclusive Discounts
    Join Now >
    Quantity
    4
    MOQ : 4

    Payment Methods

    visa pay PayPal pay GooglePay pay ApplePay pay JCB pay UnionPay pay Mastercard pay DinersClub pay Stripe pay DISC-VER pay T/T pay

    Need a Same-Day Quote?

    Send your PO or PDF list directly to our specialists now

    Need help confirming model compatibility?

    Get fast and efficient assistance from our experienced technical sales and customer service teams. No question is too small, and no problem is too big.
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    • 100% Original
      Genuine OEM Parts

    • Fast Delivery
      Shipped via FedEx / DHL / UPS

    • 12-Month Warranty
      Worry-Free Coverage

    • Secure Packaging
      Safe & Reliable

    • 5,000+ Global Suppliers
      Trusted by Professionals

    Professional Model-Matching System

    Send us your model numbers or nameplate details.
    We will match your request with our 5,000+ verified suppliers and issue a quotation.

    Fiber head dia.: 1.5 mm
    Fiber head length: 10 mm
    Fiber cable length: 1 m

    Why Global Buyers Choose O&Kmarts

    O&Kmarts:
    • Access to a wide range of SKUs across multiple brands and series
    • One RFQ connects you to 5,000+ global supplier quotes
    • Better availability for urgent and hard-to-find parts
    • Faster global delivery via FedEx / DHL / UPS
    • Easier access to rare and high-value models
    • Flexible sourcing for individual parts or complete solutions
    • Lower MOQs and more adaptable buying options
    • Multi-brand procurement in one order
    • OEM replacement and alternative model solutions available
    • Fewer intermediaries, ensuring more competitive pricing

    Why Global Buyers Choose O&Kmarts

    Local Suppliers:
    • Limited to fast-moving SKUs only
    • Limited local market availability
    • Inventory frequently fails to meet urgent demand
    • Long replenishment cycles, often taking weeks
    • Rarely stock high-value compressors (e.g. Copeland YHV119)
    • Frequently require bundled purchases
    • Rigid and difficult MOQ negotiations
    • Limited brand selection
    • Minimal or no customization capability
    • Higher local distribution and markup costs

    Top Questions from OKmarts Buyers

    • Q: What secure payment methods are supported for high-value international B2B transactions?

      A: To ensure transaction security and accommodate standard corporate purchasing workflows, we support secure international Telegraphic Transfers (T/T Wire), major corporate Credit Cards, PayPal, and Letter of Credit (L/C) frameworks for large-scale procurement contracts.

    • Q: How are long-term component supply risks handled if our factory relies heavily on a specific part sourced from your platform?

      A: We offer supply chain buffering and safety stock agreements for industrial clients. By sharing your annual procurement forecast, we can pre-allocate inventory in our warehouses to guarantee a continuous, predictable supply and protect your production lines from market shortages.

    • Q: What financial protections do I have if the shipped goods do not match the ordered part numbers or technical specifications?

      A: OKmarts operates under a strict Order Accuracy Guarantee. If the part numbers delivered do not match your approved Proforma Invoice or Purchase Order due to our fulfillment error, we will issue a full refund or expedite a replacement shipment immediately, covering all return international freight charges.

    FD-S21
    High Efficiency
    Stable Performance
    Long Service Life
    Explore More SUNX Sensor

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    Q&A

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    • Q: Do you offer bulk or wholesale discounts?

      A: Yes, we offer bulk or wholesale discounts for certain products. If you are interested in making a bulk purchase, please contact our customer service team or our wholesale department for further assistance.

    • Q: Can I change the color or variant of a product after placing an order?

      A: If you would like to change the color or variant of a product after placing an order, please contact our customer service as soon as possible. We will check the order status and do our best to accommodate your request, depending on the availability of the desired color or variant.

    • Q: Is there a minimum order value for free shipping?

      A: The minimum order value for free shipping, if applicable, is usually mentioned in our shipping policy or promotional offers. Please refer to the specific terms and conditions to determine if your order qualifies for free shipping.


    Customer reviews

    4.8
    Based on 5 reviews
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    4
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    • Jan 04, 2026

      Michael Tell
      Greatly satisfied with the outcome.
      Helpful?
      (0)
      (0)

    • Jan 31, 2025

      Kian
      easy and simply
      Helpful?
      (4)
      (0)
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