Provide either on-site underground situation (for a specific ventilation plan) or duct specs (for direct quotation)
Check all the items are correct when our experts send you the composition lists of the entire ducting system.
Check your sampling (FREE SGS testing available) before mass production.
Check package and quantity as required before on time with no worries
Sulong’s over 30 years of experience in underground ventilation industry and constantly- updated capability permits you:
Free sample
Free Ventilation Ducting Design Plan
Free SGS testing
Specific-diameter duct of customer-required friction factor Report(conformed to SIA norm)
Engineered to meet your ventilation needs
Ventilation experts answer your any question within 12 hrs.