Share on (1600343786155):
| double extrapolation window |
| wall thickness of 30-80 |
| high strength aluminum alloy profiles |
| normal color is black |
| double layer uv - resistant acrylic panel. |
| high strength fiberglass curtain and shading curtain |
| The window is equipped with a support rod, which can be pushed to open two angles, and can open up to 65 degrees |
Specification Parameters
| Specifications W-H | Dimensions/mm (W+26)-(H+26) | Opening Size/mm (W)-(H) |
| 500-300 | 528-328 | 500-300 |
| 500-350 | 528-378 | 500-350 |
| 500-400 | 528-428 | 500-400 |
| 500-450 | 528-478 | 500-450 |
| 500-500 | 528-528 | 500-500 |
| 550-400 | 578-428 | 550-400 |
| 550-500 | 578-528 | 550-500 |
| 600-600 | 628-628 | 600-600 |
| 600-500 | 628-528 | 600-500 |
| 600-450 | 628-478 | 600-450 |
600-300 | 628-328 | 600-300 |
| 700-400 | 728-428 | 700-400 |
| 700-450 | 728-478 | 700-450 |
| 700-500 | 728-528 | 700-500 |
| 700-550 | 728-578 | 700-550 |
| 750-400 | 778-428 | 750-400 |
| 750-450 | 778-478 | 750-450 |
| 800-400 | 728-428 | 800-400 |
| 800-450 | 828-478 | 800-450 |
| 800-500 | 828-528 | 800-500 |
| 800-600 | 828-628 | 800-600 |
| 800-700 | 828-728 | 800-700 |
| 800-800 | 828-828 | 800-800 |
| 900-350 | 928-378 | 900-350 |
| 900-450 | 928-478 | 900-450 |
| 900-500 | 928-528 | 900-500 |
| 900-550 | 928-578 | 900-550 |
| 900-900 | 928-928 | 900-900 |
| 1000-450 | 1028-478 | 1000-450 |
| 1000-500 | 1028-528 | 1000-500 |
| 1000-600 | 1028-628 | 1000-600 |
| 1000-800 | 1028-828 | 1000-800 |
| 1100-450 | 1128-478 | 1100-450 |
| 1100-500 | 1128-528 | 1100-500 |
| 1100-550 | 1128-578 | 1100-550 |
| 1200-300 | 1228-328 | 1200-300 |
| 1200-350 | 1228-378 | 1200-350 |
| 1200-400 | 1228-428 | 1200-400 |
| 1200-500 | 1228-528 | 1200-500 |
| 1220-705 | 1248-733 | 1220-705 |
| 1300-550 | 1328-578 | 1300-550 |
| 1450-500 | 1478-578 | 1450-500 |
| 1450-550 | 1478-578 | 1450-550 |
Main Uses :
For tailers or buildings, suitable for different wall thickness : 30-80mm





1. Packaging: carton or paper box. Other packing methods available upon your request.
2. Shipping: 7-15 days after order confirmed. Truck, air, sea freight available.
3. Expressing: DHL, FedEx, ups, TNT, EMS, etc.
4. Payment Term: 30% deposit , balance paid before shipment by T/T.
Please Note:
1. We only ship to confirmed order address. Please make sure your shipping address is correct when make the payment.
2. If you haven’t received your shipment in 30 days after payment, please contact us. We will track the shipping and get back to you ASAP.
3. Taxes: Buyer should be responsible for any possible import duties/taxes. If you have any problem, you can feel free to contact us first.



1. OEM Manufacturing welcome: Product, Package...
2. Sample order
3. We will reply you for your inquiry in 24 hours.
4. after sending, we will track the products for you once every two days, until you get the products. When you got the
goods, test them, and give me a feedback.If you have any questions about the problem, contact with us, we will offer
the solve way for you.
DALANG INDUSTRY SPECIALIZES IN DEVELOPING AND MANUFACTURING RV ACCESSORIES,SUCH AS RV DOORS, RV WINDOWS, RV STEP,RV SKYLIGHT,RV FAN ,RV AWNING AND SO ON .
OUR PRODUCTS ARE WIDELY RECOGNIZED AND TRUSTED BY USERS AND CAN MEET CONTINUOUSLY CHANGING ECONOMIC AND SOCIAL NEEDS.WE WELCOME NEW AND OLD CUSTOMERS FROM ALL WALKS OF LIFT TO CONTACT US FOR FUTURE BUSINESS RELATIONSHIPS AND MUTUAL SUCCESS!








1. Q : What is your term of packing?
A : Generally, we pack our goods in brown or customized cartons. We also offer special pallets packing for one-stop shop customers buying multi goods and small quantity.
2. Q : What is your terms of payment?
A : Generally, we keep 30% as deposit, and 70% balance before delivery.We'll show you the photos of the products and packages
before you pay the balance.
3. Q : What is your terms of delivery?
A: EXW, FOB, CFR, CIF
4. Q: What is the lead time ?
A: 20-30 days after payment and production drawing confirmation.
5.Q : Are you supplying standard sizes of windows or customised products?
A : Both are available. We can also make customized products.
6.Q : What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.
7. Q: What is your min order quantity ?
A: Normally, we accept the MOQ is 1 unit.
8. Q : Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
New products from manufacturers at wholesale prices