No.23,8666 Hunan Rd,Pudong New Area,Shanghai,China +86-21 61181089 [email protected]
Derad aluminum soundproofing window noise reduction windows sound insulation with open inward and tilt inwards tilt turn window
Q: Can I have a free quote? |
A: Yes, free quotes are available to our clients. |
Q: What is DERAD's manufacture time? |
A: 30-45 days after the confirmation of deposit and drawing. |
Q: What is the payment terms? |
A: Normally, 30%-50% of total amount by T/T as deposit and balance before delivery. Irrevocable L/C at sight is also acceptable. |
Q: Will we need to install the glass(onsite glazing)or does DERAD's products come with the glass installed? |
A: Glass is normally installed at factory based on windows/doors dimension to ensure the quality of the products. Onsite glazing is only recommended for extremely large sized products. |
Q: What is DERAD's warranty? |
A: DERAD provides a more than 5 years warranty. |
Q: What kind of service will DERAD provide in terms of technical support? |
A: At DERAD, our technical engineers communicate with the clients closely to provide them timely and professional advice throughout the entire project Installation instructions are available in accordance to Australian Windows Association s industry guide. |
Our friendly team would love to hear from you!