High Quality HOPO Aluminum Bi-folding Door 
 
Features:
1.TheSF65 bi-foldingdoor system can fold sashes to oneside completely, achieving maximum opening width.
2.Top-bottom rollers structure provide sound antl wlnd load capablllty. Suitable for balcony lnstallation.
3.Double row bottom rollers can afford big sash weight.
4.Foldlng hlnge are adjustable.
5.Operation of the door is easy and convenient.







Quality Management
HOPO quality experiment center, a test center to check the quality of spare parts and finished products, is designed and formed by HOPO QC department. Tests of endurance, weather-proof, over-load capability are designed to simulate real application situations. In this way, we can discover problems more directly and efficiently than third-party test, thus solving the problem more effectively.  Certificate application for patented new products, especially system solution for certain window operation has been done in cooperation with some European test companies according to EN standard.


FAQ:
Q:Are you a factory or trade company?
A:Yes,we are SGS Audit facory , located in Shenzhen City, Guangdong province , China.
Q:Do you accept ODM or OEM project?
A:Yes, We are professional in OEM and ODM ,we have strong R&D team.
Q:What is the normal lead time in your factory?
A:About 30 days after the receipt of confirmed order and payments for bulk goods;sample delivery 3-5 days later.
Q:What payment term do you accept?
A:We can accept T/T.
Q:What's normal handle's material?
A:The main is Zinc Alloy and Aluminum Alloy. The technology included anodized and painted.
Q:If the customer can't set up , how to deal?
A:We can provide free installation supervision and related drawing.