Longyang security door how Longyang security door price

Basically, every household uses a security door, which not only serves as an anti-theft feature but also can decorate the facade to some extent. Longyang anti-theft door is a good brand in the domestic security door industry, but it may be unfamiliar to everyone. The following Xiao Bian will tell you about the Longyang security door and the situation of the Longyang security door . Let's take a look.

Longyang security door introduction

Zhejiang Longyang Door Industry Co., Ltd. is located in Yongkang, China's hardware capital. It is a professional company specializing in anti-theft doors. It specializes in casting safety models and builds domestic and world-leading brands with service and technology. Since its inception, Long Yang has always been adhering to a shopping mall as a guide, and it can rely on it to continuously introduce and improve the skills of the door industry and improve the quality of its products. Now the company has independently developed a variety of Longyang characteristics of goods and has a number of patents, and the introduction of the world's leading mechanical water production equipment, with an annual output of 600,000 security doors. Since its establishment, the production and sales volume has been doubled continuously and has become one of the most promising companies in the region.

Longyang security door how to

Advantages >>

1. Longyang anti-theft door is configured with the domestic leading science and technology silent automatic lock, which can be completely locked by simply closing the door, and the lock is basically silent.

2. The automatic lock combines the mechanical lock and the IC card opening function, which is convenient and quick. The lock has designed the inner handle safety button function, which greatly increases the difficulty of illegal opening and ensures the safety of the lock.

3, Longyang anti-theft door, there are still some market share in the country, for the consumer who used the Longyang anti-theft door, of course, the evaluation of Long Yang has good and negative. The anti-theft door produced by Longyang has high-end and mid-to-low grades, and the quality is still good. The room door and 9-inch-thick anti-theft door work well.

Insufficient>>

1, from the consumer feedback information, Longyang anti-theft door panel quality is good, but in the door lock is still a bit of a problem, of course, this door lock may be considered incorrect or caused by the switch itself is not good. In this regard, do not go to the bottom, after all, there is a problem with the lock. Of course, most people still have a positive attitude toward Longyang's security doors.

2, in addition, there are some consumers reflect the poor after-sales service in Longyang, perhaps individual dealers or agents do not appear to be in service. This is also a part of the voice of consumers, it seems that Longyang security doors in the after-sales service really want to strengthen this improvement.

Longyang security door price

As for this problem, it has several grades of security doors and differs in terms of model and specifications. Therefore, there will be differences in prices, and the prices are generally between 800 and 5,000. Of course, the price is still moderate in the security door brand. When people buy security doors, it is best to shop around in order to avoid being pitted.

Longyang anti-theft door part of the product offer (from the network, for reference only)>>

Longyang anti-theft door security door Longsheng Class A FAM-J-LY/955 silent automatic lock nano-sand surface ¥3480.00

Longyang anti-theft door security door Longcheng door A grade FAM-J-LY/976 patent new twisted nine-key lock body Super lock 2050*860mm ¥3880.00

Longyang anti-theft door security door dragon goods A grade FAM-J-LY/963 mute automatic lock stainless steel copper plated hinge 2050*860mm RMB4800.00

Longyang anti-theft door security door dragon class A FAM-J-LY/977 Super seven-bolt Super B class security ring lock 2050*860mm RMB 2380.00

Longyang anti-theft door security door Longmen door A level FAM-J-LY/959 New small door fan 180 degree hinge 2050*860mm ¥3880.00

Editor's summary: The information about Longyang security door and the price of Longyang security door has been introduced here for everyone. I hope this article will help everyone. If you still have something you don't understand, you can leave a message to Xiaobian at the bottom. We will answer your questions as soon as possible.

Security door brand

HK9 Glass Dome Lens

Dome lenses are hemispheres. The two optical surfaces are an equal thickness apart, creating a naturally strong shape that gets tougher under pressure. This makes dome windows ideal for underwater environments and in applications such as camera dome ports and submersible windows.
BK7 or K9L domes are used primarily in meteorology applications. BK7 offers excellent transmission from 300nm up to 2µm. BK7 is a relatively hard material, with excellent chemical durability.
UV fused silica domes ( JGS1 ): For applications operating in the deeper UV range, we offers a range of UV fused silica domes. Fused silica domes are commonly used in underwater applications at extremely high pressures.

Sapphire domes: For infrared applications we can provide sapphire domes. Sapphire is an extremely hard material with transmission of over 80% in the 2-5µm wavelength range. As with fused silica, sapphire is able to withstand extreme pressures, making it the perfect material for underwater camera and missile fairing applications.

Dome Lens

Specifiation of our dome lens as follow:
Material:Optical glass N-BK7 , H-K9L, UV Fused Silica, Sapphire, and infrared crystal materials.
Diameter:20-350mm
Diameter Tolerance:+/-0.1mm
Thickness:>2mm
Thickness Tolerance±0.2~0.1mm
Center Deviation:3-5'
Surface quality:80/50 60/40
Coating: Antireflection Coating inside or both sides
Chamfers:0.2 x 45° typical

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China Star Optics Technology Co.,Ltd. , https://www.realpoooptics.com