SPIRAL ROUND DUCTS
Khai Hoan Quan Co., Ltd is formed from a team of engineers, young, dynamic designers, enthusiastic creators, dedicated, professional, dynamic creatives with a team of skilled workers who have created quality products is ready to meet the increasingly stringent needs of customers, investors. Until today we have created a reputation in the market and especially in the field of supply: Duct, Wind Valves, Cable Trunking, etc. for air conditioning and ventilation, center of constructions, factories, companies, restaurants, hotels ...

- The lightweight spiral duct uses Hoa Sen tole, the spiral duct tole thickness will be lower than the production of round and rectangular wind pipes because we apply hardening up to 300.
- The air moving through the duct is 100% because the section is round and much higher than the rectangular duct.
- Producing twisted round wind pipes without size limit.
-With these outstanding features, the duct is now widely used because of the fast installation time and the consumption of other auxiliary materials.
Please contact us through our hotline or send us an e-mail for more information. We are very pleased to serve you!