China OEM China Suppliers Roller Shutter Door/Rolling Shutter Door Pulley Hot selling

Merchandise Description

1. Spring boxare used for the Rolling Shutter Door, like Garage Door .

two. Manufactured of basic Q235 metal plate give to good quality and sturdiness.

three. Area alvanized in silvery , which make the wheels flawlessly resistant to fight towards rust.

4. The existing exterior diamaters come in 200mm, 220mm,240mm,260mm.

five. Inside diameter:  42mm 43mm 50mm .60mm 76mm

six. We also supply  hooks which used for the Spring Box


1. Are you a factory or buying and selling business?
HangZhou Xihu (West Lake) Dis. Yongbida Components Factory is a professional manufacturer from ZheJiang province, we have higher high quality merchandise of locks, spring box, door hardwares, other components, and so on.
2.In which is your factory?
Our manufacturing unit is positioned in HangZhou, established in 1990s with 20000m2   and more than 60 personnel in diverse departments , about 30minutes to the CBD of HangZhou and 1 hour to HangZhou Xihu (West Lake) Dis. international airport.
3.Can you produce the goods as for each buyer design?
We commenced OEM and ODM organization given that 2007.  Remember to refer us samples or 3D drawing, we will supply the greatest charges for you.
four. How does your factory do with regards to quality manage?
We have staff to verify every single method, and every single item will be inspected prior to packing by our QC staffs.
five. How about your packing?
Our products are packed with multi-packing to shield from the prolonged-district transportation. EPE bag+ thick poly bag+ hardboard internal box +5-layer master carton.
Pallets are obtainable if essential, but the charge need to be compensated by you.
 6.How is your Soon after-Sales provider?
 Any faulty goods, Please ship us the pictures of defective merchandise to verify. If the problem transpired by us, items can be returned, we will send out you a CZPT CZPT added fee.
seven.May I get your sample for cost-free to check out prior to get?
Of system, totally free sample is offered for examining, but you want to pay out for the express expense, the delivery is about 2–4 days.
8.  How about your shipping and delivery day?
Normally our shipping and delivery time is about 30days following deposit.
nine. How can I believe in you in the initial cooperation?
First of all, samples can be sent to examine our top quality and you are welcome to visit our factory. 

10. If you have a lot more queries,  just make sure you speak to us !


In a compound pulley technique, there is both a movable pulley and a mounted pulley. This means that not only does the load “really feel” lighter, but you can also alter the path of the pressure. Although this kind of configuration can transfer heavy loads very very easily, it arrives at the cost of necessitating quite a bit of movement to do the job.
ep has a vast assortment of pulleys in inventory and ready to ship. All spare pulleys are made of high-quality aluminum and have pilot holes as standard. Flanges are created of steel zinc sheet if needed, but you can specify other supplies by customized purchase. Stock aluminum pulleys are offered in imperial and metric pitches. We can modify stock pulleys in accordance to your needs. You can contact customer support for pricing and shipping.

China OEM China Suppliers Roller Shutter Door/Rolling Shutter Door Pulley     Hot selling