high quality aluminum windows doors cover two pulley sliding window roller wheel

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50000 piece per month
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After-sale Service:
Online technical support
Project Solution Capability:
graphic design, 3D model design, total solution for projects, Cross Categories Consolidation
Hotel, Aluminum Windows and Doors Accessories
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Place of Origin:
Guangdong, China
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Sliding Windows and Doors Accessories
Aluminum Alloy
Powder Coating
Window Connection
Doors Sliding Lock
Panda Group is a group company that integrates production and sales of aluminum alloy, aluminum doors and windows, and accessories,and Rubber gasket.  
Q1: What is your main product?
A1: 1) Aluminium Windows and Doors    
2) Windows and Doors Accessories
Q2: What is the standard size of your windows and doors?
A2: Our products is based on customized size, design and color.
Q3: Will we need to install the glass ( onsite glazed ) or do your      windows come with the glass installed?
A3: Yes, with complete the glass, frame, sash and hardware here, and you only install them into your wall hole directly.
Q4: What is your warranty ? What do we do in case of problems?
A4: 5-8 years quality warranty is provided, including frame unfading nor peel- off,hardware and accessories working properly under correct operation. 10 years warranty for German hardware. In case of our quality problem, we  will provide replacement by international courier. Immediate delivery of replacement parts with available in stock, and if not stocking, the time should be depending on material ordering time which is normally 10-15 days.
Q5: How can I know your price?
A5: The price is based on buyer's specific requirement, so please provide below information to help us quote exact price to you.      
1) Shop drawing / window schedule to show the window dimensions,quantity and type;      
2) Frame color;      
3) Type of glass and thickness (single or double or laminated or others) and color (clear, tinted, reflective, Low-E or others, with Argon or without).
Q6: What is your delivery time?
A6: 25-35 days after deposit and drawing confirmed
Q7: What is your payment terms?
A7: Normally, 30% - 50% of total amount by T/T as deposit and balance before delivery. Irrevocable L/C at sight is also acceptable.  


1.Established in 2008, Panda Group is a group companythatintegrates production and sales of aluminum alloy, aluminum doors and windov andaccessoriesThe Panda Group's door and window factorywa establishedin 2009
2. Panda doors and windows have been established with advanced design concepts, effective research and development, and productio of new aluminum building system products
3.On the principle of simplicity and flexibility, develop practical and
compliant system products for building facades. 




Panda Doors and Windows is committed to creating a one-stop solution for architectural aluminum curtain wall, doors and windows systems.
Introduce a full set of advanced,professional production equipment and technology using European and American top door and window systems, based on European system products successfully developed a collection of lighting,ventilation, dustinsulation,wind pressure resistance,fire retardantsound insulation, air tight Multifunctional door and window products with high and strong water tightness.
Through aprofessional R &Dteam,we have cooperated with door and window related companies in Europe, the United States, Australia
and other places in the world 


Sliding door top roller adjustment


1. If there is a gap in the sliding door, which leads to inconsistent height, we can adjust its pulley, because it is basically caused by the looseness of the pulley. If the skew is visible to the naked eye, it must be considered that the track has been deformed, and the track must be replaced at this time.


2. But if there is only a slight deformation, you can adjust the height of the pulley. Prepare a wrench, such as a 5 mm or 6 mm wrench. Next, you will see a small hole at the bottom where you can install an anti-collision sliver. You need to insert the hex wrench into the small hole, and turn the wrench counterclockwise, you can see that the sliding door is lowering. If it is clockwise, the sliding door can be adjusted higher. Wait until the doors on both sides are flat and maintain the same horizontal line, then the gap can be adjusted to a closed state.


3. However, if it cannot be adjusted, it is because the pulley device has been damaged, and it must be replaced with a new one. Find a professional wholesale sliding door top roller and window bearing roller manufacturer, supplier, factory, exporter, wholesaler for sale, they can give you suggestions. PANDA is such one, any interests, welcome to contact us.

Installing tips for window bearing roller


1) Wash the bearing with kerosene, press it into the bearing seat, fill the rollers of the outer ring of the bearing with Shell No. 3 lithium base grease to two-thirds full, apply it evenly with clean hands, install the ntn bearing gland, and use The tightening bolt of the bolt anti-loosening glue presses the bearing gland;


2) The bearing is a cylindrical roller bearing with a separable inner and outer sleeve. The inner sleeve of the bearing should be placed on the shaft and in place;


3) Install the bearing seat on the casing. If there is a grease filling hole, it must be aligned with the position. Tighten the bearing seat with fastening bolts coated with bolt anti-loosening glue;


4) Install the inner and outer eccentric block on the shaft and place it in place. For those with shaft key, install the shaft key in the keyway and then install the outer eccentric block, and install the shaft retaining ring on the shaft;


5) Tighten the fastening bolts of the eccentric block, turn the adjustable eccentric block to the angular position before removal and tighten the fastening bolts. After the above assembly is completed, the rotating shaft should have a certain axial movement;


6) The protective covers at both ends of the upper vibration motor are fastened with screws.


Hope these help you.



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