• What Certifications Does Longone Have?

    Longone holds various certifications such as quality management system certification, CE certification and others which attests to our commitment to quality management and product standards.

  • Does Longone Offer After-Sales Services?

    Yes, Longone offers a standard warranty policy that covers defects in materials and workmanship, typically 12 months. We respond promptly to any issues within 12 hours for assessment and immediate assistance and we ensure on-site presence within 24 hours to swiftly resolve issues and maintain operational continuity.

  • What Is The Typical Lead Time For An Order From Longone?

    The lead time varies depending on the order size and product type. The delivery time for filter presses typically ranges from 25 days to 30 days. The delivery time for filter plates is usually 5 days.

  • How Does Longone Do Quality Control?

    Quality is our top priority! From start to finish, we emphasize stringent quality control: ①Procuring premium raw materials directly from their source; ②Our skilled workforce meticulously attends to every detail during the entire production process; ③The Quality Control Department meticulously oversees quality checks at each stage.

  • Can Longone Provide OEM Solution?

    Yes, we can certainly apply your logo to products for which you provide the design specifications.

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