Support

Technical support for your valve enquiry or order

Provide the product reference, order number if available, and a clear description of the issue. Photos, drawings and a video link can help the review.

Product & issue

Include the order reference and the information available.

Order / enquiry referenceProduct model / serial number

Type of support

Already have supporting documents? Email your existing files directly.

Files to include with your email

PDF, XLS/XLSX, CSV, DOC/DOCX, JPG/PNG or drawings · up to 10 MB each · 5 files

Only file names are listed here. Attach the files in your email application before sending.

Describe the question or issue Describe the issue or prepare a supporting attachment.Drawing / video link optionalUse a link that the project team is permitted to access.

Where can we reply?

Include your business email. No account is needed.

Your name *Email address *Company optionalPhone optional

Check your request, then send it from your email application to sales@lianggupipeline.com. The website does not send it automatically.

Check your request.

Not sent yet. Open your email application, add your files and send the request to our team.

Using webmail or no email application?

Copy the recipient and full request into a new email in your usual mailbox. Add the original files before sending.

Send to

Selected files are not uploaded or attached automatically. The downloaded request contains text only.

If your email application does not open, copy the request and email it to sales@lianggupipeline.com. Selected files are not included in the downloaded text.