Shanghai 3S Global Company Limited

FAQ

Duplex Pump Controller,Submersible Pump Controller,Industrial-grade Pump Box
  • Does 3S support ODM?

      Yes, we offer full ODM customization services.

      We can provide complete customized solutions including PCB circuit design, function programming, appearance and structure customization, and optional electrical component brands according to project or market requirements.

  • What is the minimum order quantity (MOQ)?

      Sample order: Most models support ordering 1 unit.

      Bulk order: MOQ is 50 units or model.

      For project requirements, please consult our sales team.

  • Can you provide samples?

      Yes, we offer paid samples.

      Samples can be shipped within 7–10 working days.

  • What applications are 3S products suitable for?

      Our products can be used in:

      Deep well pumps, submersible pumps, booster pumps, HVAC, RO systems, water purification, fire-fighting systems, sewage/drainage, agricultural irrigation, industrial circulation, engineering projects, and more.

  • Do you provide technical support or wiring guidance?

      Yes, we provide:

      . Remote video technical support (installation, commissioning, troubleshooting)

      . Wiring diagrams, installation manuals, parameter configuration guides

      . Project selection and system configuration recommendations

      . Fault diagnosis and troubleshooting guidance

      . Video tutorials (wiring demos, parameter setup, application cases)

      Whether for sample testing, project installation, or mass production, our technical team provides timely and efficient support to ensure stable system operation.

  • Can the products be connected to BMS / SCADA / PLC?

      Yes, they support RS485 (Modbus RTU), IoT, WiFi and other industrial communication standards, and are compatible with most control systems.

  • What is the delivery time?

      Standard products: Usually 30–60 days (based on production schedule)

      Bulk orders: Lead time depends on quantity and material availability. We will provide a clear delivery plan.

  • Do you offer long-term stock or inventory planning?

      Yes, we can provide safety stock plans, annual framework agreements, and project stocking solutions to ensure stable lead times.

  • What payment methods do you accept?

      T/T (telegraphic transfer)

  • What certifications do your products have?

      We can provide:
      CE, ISO 9001, protection grades such as IP55 / IP65.
      For special certification requirements, please contact us —we can assist with the process.

  • What is the warranty period?

      All products come with a 12–24 month warranty (depending on the model).

      During the warranty period, we provide free parts or technical support for non-human damage.

  • Can I visit your factory?

      Yes, of course.

      Please contact us through the website and inform us of your visit date, number of people, and purpose of visit. We will arrange the factory tour accordingly.

  • How to place an order? What is the ordering process?

      Standard order process:

      1. Confirm requirements (pump power, functions, materials, communication, etc.)

      2. Quotation & solution confirmation

      3. Deposit payment

      4. Production arrangement

      5. Pre-shipment testing and inspection

      6. Balance payment

      7. Shipment arrangement

  • What shipping methods do you offer?

      Depending on the order quantity and delivery time:

      . Express (DHL/TNT/UPS/FedEx) –samples & small quantities

      . Air freight –urgent shipments

      . Sea freight –most economical for bulk orders

      . Railway / truck –available for Europe

      DDP/DAP door-to-door services are available.

  • How can I become your distributor?

      Please contact us via the website and provide the following information:

      Your country and region

      Your company’s main business and market positioning

      Expected annual purchase volume

      Qualified distributors will receive:

      Best distributor pricing

      Complete technical and after-sales support

      Marketing materials & product training

      Priority supply and other cooperation benefits

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