30+ Years Dedicated to Hydraulic Quick Couplers & Valves

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Frequently Asked Questions


  • What are the unique advantages of EH hydraulic products?

    Our hydraulic quick couplers and valves combine British engineering expertise with precision Chinese production. All products are designed under the guidance of chief engineers from a world-recognized hydraulic quick coupler manufacturer based in the UK (1968-2008).


    Quality Assurance:

    • -Manufactured at our ISO 9001:2015 & ISO 14001:2015 certified factory in Ningbo, China
    • -Factory management system: full digital traceability from raw materials to final assembly and shipping
    • -100% leak-free tested and approved before shipment
    • -Guaranteed market interchangeability
  • What's the production time for each order?
    For over 20 years, our factory has maintained a regular inventory valued at over 5 million USD to enable fast and flexible delivery.
    For all in-stock items in our catalog, your order can be shipped within 5 business days.
    For items in our catalog that are temporarily out of stock or have insufficient volume for your order, the ready-to-ship time is typically 30–45 days.
    For items outside of our catalog that require development and customization, the timeline is always case-by-case. 
    Please review this page for a detailed explanation: Customization Service
  • Do you have a minimum order quantity requirement (MOQ)?

    For all in-stock regular items, no MOQ. Please reach out to us for your specific requests, and we can do our best to work with you. 

  • What shipping services and payment methods do you offer?
    We offer the following regular shipping and payment options:

    -FOB (factory price)
    -CNF (factory price+sea freight cost till destination port)
    -CIF (factory price+sea freight shipping cost till destination port+shipping insurance)
    -Door to door service (factory price+sea freight shipping cost till destination port+custom clearance fee+inland shipping cost to your company/warehouse)
    -DHL air freight (factory price+DHL air freight cost to your company/warehouse)

    In special cases, we can negotiate according to customer needs.
  • What are the payment terms?
    For all orders under 10,000 USD, 100% payment in advance before production and shipment.
    For all orders over 10,000 USD, we accept T/T (Telegraphic Transfer) 30% in advance to confirm the order. The remaining 70% balance needs to be paid within 7 days of B/L shipping date.
  • Where is your warehouse?

    For now, all products are stored in Ningbo, China. However, we can setup new global warehouses in the future.

  • Do you have a warranty for your products?
    EH-manufactured products are warranted to the original user against defects in material & workmanship under normal use and proper installation (see EH "Product Instructions and Warnings Guide" document for correct handling instructions) for one year after the date of purchase, or 2000 operating hours, whichever comes first. This warranty will not apply to any product that has been subject to abuse, accident, or misapplication.
    EH Product Instructions and Warnings Guide Document:
    Product Instructions and Warnings Guide
  • How do you protect your customer information?
    We have maintained long-term business collaborations with many of our customers. We always keep our customers' business interests in mind and strictly follow NDA (non-disclosure agreement) rules.