Transom Overhead Concealed Floor Spring

Anhui Haida Door Control Equipment Co., Ltd. is one of the most experienced manufacturers and suppliers of transom overhead concealed floor spring in China. With abundant experience, we warmly welcome you to wholesale bulk high quality products in stock here and get free sample from our factory. Customized orders are welcome.

FEATURES

● Intertek ANSI/BHMA 156.4 Grade 1 Certification

● Double speed adjustment, ball bearing inside, closing smoothly

● 90°hold open optional

● 2,000,000cycles tested

● Applicable for aluminum doors and frame door

● Produced by Taiwan full automatic CNC machine 

● If these installation instructions are ignored, the manufacturer will not take any responsibility

● After the door closer is installed at the head of the door, do not drill in this area to avoid damaging the door closer

● Door clearance recommendations

Door post1/8 "(3mm)

Door top guide rail 1/8 "(3mm)

Bottom doorrail3/ 16 "(4.8mm)

SPECIFICATIONS

ANSI Grade 1 HD-850 Glass Door Overhead Closer Transom Concealed Door Closer

Why Choose Us

Haida Door Control Co., Ltd. is a group of companies specializing in the production of hydraulic hardware door control and intelligent induction door control series, integrating design and development, manufacturing, sales and service.

Haida door control products mainly include floor springs, all kinds of external installation, hidden J-closer, glass hardware, automatic induction doors, automatic swing doors, access control systems and other types of hardware intelligent door control. The high-tech R&D center stands in New World Tower, 18 Queen's Road Central, Hong Kong. The sales headquarters is located on the Suzhou River in Shanghai, adjacent to the bustling Nanjing Road pedestrian street. The sales network is centered in Shanghai and radiates to all provinces and cities in China. At present, we have set up three production bases in Zhejiang, Jiangsu and Anhui respectively, with a total area of 196,000 square meters, more than 900 employees, 68 technology professionals with technical titles, annual sales of 4 million units of floor springs, 1 million units of closers, 100,000 sets of automatic swing doors and sliding door units.

FAQ

Q: Are you a Trading Company or manufacturer?

A: We are a manufacturer, our factory has been established for 35 years

Q: where are your main markets?

A: EU, USA, South America, South Africa and some Middle East countries as well as some Southeast Asian countries

Minimum Order Quantity (MOQ):

A: As we are a factory, we do not make stock, so we need a MOQ to start production,

A: That is 10 sets for each model. Quantity means a lot to the price, so it is better to let us know the quantity if you ask for a quotation. If the total quantity is more than 500 sets, the MOQ for each style can be adjusted.

A: For the customized automatic door, the MOQ can be negotiated.

Q: How can I get samples?

If you need some samples to test, we can make them according to your requirements. We support sample/small/large/full orders, no matter how much quantity you need, we will provide you the fastest and most professional service immediately.

Sample policy:

If you want to check the quality, you need to pay for the sample first, and this money will be refunded after the mass order is confirmed.