|Product No.||Size(MM)||Rated air volume||Effectiveness||Initial resistance||Recommended final resistance|
|Special size and specifications can be made according to customer requirements, single flange thickness:25MM 20MM|
|Medium Efficiency||F6(EN 779)||60%-80%ASHRAE52.1|
1.Q: Are you a factory or trading company?
A:We are professional factory, so our price is very competitive ex-factory price, and welcome to visit the factory.
2. Q:Where is your factory located?
A:Our factory located in Kunshan China, near Shanghai port.
3. Q:How can I get some samples?
A: We are honored to offer you free samples. But you will pay express charge after place an order refund double charge.
4. Q:What is your terms of payment?
A:50% advance payment against contract, the balance should be paid before shipment
5.Q: What do I need for offering a quote ?
A: Please offer us drawings (with material, dimension and other technical requirement etc.) ,quantity, application or samples. Then we will quote the best price within 24h.
6. Q: Whats the delivery time?
A: For products in stock, within 3-5 days after receiving your payment. For custom order, about 4-10 days after confirmed every details.
7.Q:How about the quality of your product?
A:100% inspection during production.
8. Q:How about quality control in your factory?
A:Quality is our culture. We pay great attention to quality control beginning to the end. Every piece of goods is tested strictly before packing and delivery.
9.Q: Whats your packing?
Full consideration of practical situation: foam/wooden box, anti-rust paper, small box and carton, etc.
10. Q: What about the warranty?
A: We are very confident in our products, and we pack them very well with PE Foam and carton box+wood pallet to make sure the goods in well protection.
11. Q: Why choose us?
A: We have professional team with rich experiences and high precision equipment which can guarantee the product quality, through our scientific management and strict cost control we can offer you the best competitive.