Square Aluminum Alloy Heavy Duty Commercial Hydraulic Door Closer

Square shape concealed door closer hidden door closer :

Function:

1. Door can hold open at around 90° to 120° .    when at 90 degree.
2. Closing and latching speed can be adjusted by two valves. 
    The fastest closing time is 3 seconds from 90 degree to 0degree.
    The slowly closing time is above 40 seconds.
3. It will create resistance to avoid too much forces when open the door at above 65 degree. 
    It can pretend to hit the wall. 
    And the resistance can be adjustment.
4. Using ice freezing hydraulic oil inside, to keep it continually working in temperature - 30°C .

5. Track arm length: 460mm

6. Item picture:

Our Services

1.Offering Samples

Please tell me the samples you want, we will make and send them to you.
 

2.Opening Mould For Customer

Please tell us your purchasing quantity and send us your sample. If purchasing quantity is large, we can open a mould to you.

3.Logo

Customer's logo can be printed on products.
 

4.Warranty

All products have 3 years warranty. Normally our product's defective rate is millesimal. Once quality issue happened, please send photos, video and sample to us, we will give you new ones in the next order without charging.

5.Quick Response

We provide 24/h customer service so we are always here when you need us.

Guangdong Jinhuida Hardware Products Factory is an enterprise specializing in producting hydraulic floor spring, door control hardware and other engineering fixture series.

The factory imports domest & overseas advanced digital -controlled production equipments and technology, it owns a group of high-quality professional technicians. Our perfect marketing networks ensures the qualified before-sales,sales and after-sales service for out customers.

All along these years, factory keeps principle of " quality first, integrity topmost and service foremost" that factory obtains trust and support from all customers. "Oddo" ,"Meineng","Jianlai","Door Vanguard" and other brands built by us gain unanimous appreciation from vast users and become the first choice of the market.

Working hard with pioneering spirit and seeking for increasing progress,"Creating brand on foundation of quality" is our core spirit. In the future, we will sincerely cooperate with clients and stride torward brilliant tomorrow together.
 

1.Can you paint the colors as we want?
    Our regular color is silver. But we can also paint the colors as your requirement.

2.What's MOQ?

   The MOQ is 500pcs/model.

3. Can you provide sample? How much is it?

    Yes,sample could be offered. Sample fee is same as the price we quoted you. Sample fee and express feright are beared by
customer.

4.How long is warranty period?

       Guarantee period is 3 years. 

5.How to install product?

     Every item has specification. Please follow the instruction to install it.

6. What kind of environment can I use?

       You can install in office, business building, hotel, wooden door.