Ingenuity will last forever

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In the Chinese lock industry, there have been two unexpected things: one is a Chinese lock company. After just a few years of hard work, almost all of Japan’s peers are “closed”. The other is that a bicycle ace lock company in Germany sued Chinese companies for counterfeiting their products and demanded infringement claims, but the result was embarrassing because the newly developed products of Chinese companies not only did not infringe, but also from the appearance, scope of application, and scientific and technological content. It is far superior to German products. The protagonist of these two miracles is Zhan Xianguang, chairman of Zhejiang Zhongli Group Co., Ltd.

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Juvenile honing
In June 1960, Zhan Xianguang was born into a family of farmers in Cihu North Village, Putian Street. One year after graduating from junior high school, Zhan Xianguang entered the Ruian Machinery Factory as an apprentice. Later I switched to study woodworking. After half a year, he was able to work independently in carpentry, and soon became a skilled carpenter and entered Wenzhou Timber Company for furniture production.

In 1984, the tide of reform and opening up surged in the land of Wenzhou. Zhan Xianguang lost no time. He founded an electroplating factory with two friends and was responsible for the external contact business in the electroplating factory. The business soon became popular.

In the process of operating the electroplating factory, Zhan Xianguang has been capturing new opportunities and found many parts of electroplating processing, belonging to hardware products, many of which have lock products. Through communication with the lock manufacturer, Zhan Xianguang found that this line has a lot to offer. Therefore, he paid special attention to the information on the procurement of raw materials, processing technology and marketing channels. After careful market research, Zhan Xianguang decided to withdraw from the electroplating industry and set up his own bicycle lock factory.

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Hard work
In 1987, Zhan Xianguang registered and established the Bohai Ci Er Lock Factory with the industrial and commercial department. After one year of operation, the factory was renamed Bohai Bicycle Lock Factory and gradually embarked on the track, but product sales became a major problem. Zhan Xianguang decided to first expand the sales range from urban areas to cities, counties and districts under the jurisdiction of the city.

After making sales decisions, Zhan Xianguang became a salesman for the next three consecutive months. In order to collect market information in time, Zhan Xianguang applied to the post and telecommunications department, spent more than 7,000 yuan, installed a hand-cranked phone, and specially printed business cards to facilitate customers to contact themselves. Soon, his "Happy" brand bicycle locks were gradually recognized by consumers, dealers began to come to the door, and product sales gradually expanded from Wenzhou to all parts of the country.

In 1989, Zhan Xianguang set his sights on the domestic market, and made a special trip to Shanghai to reach a joint venture agreement with the former Shanghai Shenjiang Lock Factory, and paid the use of the factory lock "Shen Li" trademark. The name of the current company and the "neutral" registered trademark have evolved from the word "申立".

In order to develop a new type of bicycle lock, only Zhan Xianguang of the junior high school culture has to smash down a thick professional book. When he encounters a place he does not understand, he is not ashamed to ask, and he is open-minded to ask for advice. From the structural drawings of the lock, the principle, and even the chemical composition of the lock material, he understood it one by one. On this basis, product structure innovation, product material innovation, continuous introduction of new products, expansion of product lines, has now formed nine series of more than 260 varieties. He began applying for patent protection from the state in 1995. At present, Zhan Xianguang obtained 77 patents from the State Intellectual Property Office.

In 2003, the company developed into Zhejiang Zhongli Group Co., Ltd. At present, the first phase of the new park investment of 70 million yuan has been completed, and the constraints on the company's development have been alleviated, and the company will develop faster.

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Zhejiang Zhongli Group Co., Ltd. HC Network Store

Technology Leading <br> In the interaction with foreign merchants, Zhan Xianguang absorbed foreign advanced technology and management experience, and continuously improved the company's efficiency and social responsibility.

A company signed a business with a German company, but the samples supplied to the company were considered unqualified. Through the communication between the two sides, Germany is much more restrictive than the domestic restrictions on the harmful substances on the plastic sleeves of bicycle chains. Finally, he used medical plastic materials to produce chain plastic casings. Although there were many improvements in cost, it kept the European market. Taking this as an opportunity, Zhan Xianguang began to study the polycyclic aromatic hydrocarbon content of harmful substances in various plastic parts of bicycle locks. By replacing raw materials and changing the production process, the polycyclic aromatic hydrocarbon content complies with the EU PHA directive, ensuring the export of products. The technical barriers to trade have achieved gratifying results.

In 2006, Zhan Xianguang turned his attention to the field of renewable energy solar power. Therefore, the neutral company decided to develop high-grade packaging materials for solar cells, making new contributions to the field of solar power generation in China. At present, the product has entered the trial production stage, and the product performance has reached the predetermined target.

Zhan Xianguang is convinced that technology is productivity. He is eager to learn, although he only has junior high school culture, but he has once again "squatted" a thick book of professional books and developed one after another bicycle lock; Zhan Xianguang loves talent, he believes that only the development of independent products In order to enhance the competitiveness of enterprises, in order to cultivate high-tech research and development talents, we will not hesitate to spend a lot of money.

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Editor in charge: Li Junjun

Other Door Accessories

Sectional Door Accessories: motor 220V-380V, control box, spring break device, cable break device , aluminum alloy rope pulley, enhanced shaft bracket, air bag system, duplex enhanced guide wheel bracket.

Detail introduction for above main accessories

1.Motor and controller:

The garage door operator is designed for residential overhead sectional and tilt doors.

The operator memorizes the limit positions and unique braking system that slows the unit down at the end of its travel.

Rolling code remote control with max. 20 pcs hand transmitters.

The operator is equipped with a manual release lever which allows manual operation of the door in case of power failure.

The controller has a security LOCK function which prevents operation of the door from transmitter.

2.spring break device:

Sectional doors are hinged and they bend in the tracks as the door opens and closes. Many of these doors are counterbalanced with extension springs, also designated "stretch springs," and they have seven characteristics. The length is the measurement of all the coils pressed together. This, along with the inside diameter of the coils and wire size - the thickness of the wire from which the springs are made - determine the stretch, the distance the spring is extended - normally half the door height, and pull, the force the spring pulls when stretched its normal length. The type of ends determine how the ends of the spring are mounted. The initial tension is the percentage of pull needed to separate the coils. This is determined by the pitch with which the springs are wound. On sectional garage door springs this is normally 15 percent. For example a 100 pound pull spring requires 15 pounds of weight to separate the coils; when a door is open the two springs will support 15 pounds of door weight without any stretch.

Most extension springs are made of oil tempered wire. These are normally coated or painted. Some springs are made of galvanized wire.

3.able break device:

cable break device ,door hardware

adjustable bottom bracket .

the raw material hot plate

zinc plated

safety device

adjustable bottom bracket

the raw material hot plate

zinc plating

spring safety device ,2" and 3" safety device

once the cable is broken ,this devoice can keep the hurt away from the door falling

4.aluminum alloy rope pulley

Equipment: CNC stamping/punching machine, CNC bending machine, CNC cutting

machine, 5~250 tons punching machines, welding machine, polish machines...

Processed material: stainless steel: copper, carbon steel

Surface treatment: Hot galvanized, polishing

Making process:Stamping, deep drawing,bending, punching, laser cutting,threading,

welding, tapping, riveting, grinding

5.air bag system

It is a safety device. When the door is down to hit something, it will up automatically.

Operation pressure:<3mbar

Battery:CR2032*2

Battery lifetime>1 year

Emission frequency: 315MHZ

Emission power:<10mW

Receiver power source:12V

6.duplex enhanced guide wheel bracket

Determining the right type of sectional door roller for your garage door tracks can be a little confusing, especially when you do not know what you need to look for in a garage door roller. To simplify things, there are two primary things you need to be aware of. First are the actual dimensions of the roller, and second is purpose that you will be using the door for. You can read below about measuring your roller and choosing the right quality of material for your door.

Other Door Accessories,Electronic Door Accessories,Automatic Door Accessories,High Speed Door Radar Detector

Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hfautodoors.com