Contact

Easy-to-Operate Process for Your Hi-Flow Duct

1

Quote

Provide either on-site underground situation (for a specific ventilation plan) or duct specs (for direct quotation)

2

Confirm the Design

Check all the items are correct when our experts send you the composition lists of the entire ducting system.

3

Confirm the Sample

Check your sampling (FREE SGS testing available) before mass production.

4

Check&Take Delivery

Check package and quantity as required before on time with no worries

Start Your Project

Sulong’s over 30 years of experience in underground ventilation industry and constantly- updated capability permits you:

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    Free sample

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    Free Ventilation Ducting Design Plan

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    Free SGS testing

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    Specific-diameter duct of customer-required friction factor Report(conformed to SIA norm)

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    Engineered to meet your ventilation needs

Ventilation experts answer your any question within 12 hrs.




Make Your High-Flow Ventilation Duct With Our Experts' Help!