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Company Profile

2006 Year

156 +

200 +

9600 +

Engineering Peace of Mind through Certied Excellence

[Our Vision] Since 2006, Longsin has been dedicated to a singular mission: protecting what matters most. We are more than just a manufacturer of security alarms; we are the architects of a safer world. Every detector we produce is a testament to our commitment to precision, reliability, and global compliance.

[Manufacturing Prowess: Scalable Excellence] Operating from our 3,400 sqm state-of-the-art facility in Shenzhen, Longsin combines advanced automation with rigorous quality control. With a monthly capacity of over 20 x 40GP containers, we ensure that our global partnersfrom large-scale contractors to regional wholesalersreceive their orders with unmatched speed and consistency. Our full-cycle production, including in-house SMT and molding, guarantees quality at every stage.

[R&D: Compliance as Our Core Competence] In the world of life safety, certications are the ultimate currency of trust. Our internal R&D team brings two decades of expertise to the table, specializing in Compliance-Level engineering. Whether its mastering the complexities of European EN14604/EN54 standards or pioneering Wireless Interlinked IoT solutions, we stay ahead of the regulatory curve. By collaborating with elite laboratories like DBI, LPCB, and TUV, we empower our clients to bypass market entry barriers with ease.

[Global Impact: Trusted by 500+ Professionals] From high-end distribution networks in Europe to smart-city infrastructures in Southeast Asia, Longsin’s footprint spans over 80 countries. We bridge the gap between Premium Standards and Competitive Pricing, oering a strategic advantage to professionals who demand both high-spec certication and sustainable margins. At Longsin, we dont just sell products; we secure your reputation.

Brand Story

2006

Shenzhen Langxin Intelligent Technology Co., Ltd. was established in Longhua District, Shenzhen

2007

Langxin establishes R&D department and international sales department

2008

Shenzhen Longsin Tech. Became “The member of Shenzhen Security Industry association”.
Longsin obtained “The reputation brand of international consumer”.

2009

Longsin imported the smoke tunnels from UK AWTechnology,became designated manufacturers all over the world.
Longsin obtained different Certifications of independent research and development products ,and won the patent of new and appearance.
Office of Shenzhen, Tianjin and Ningxia was built.

2010

Longsin smart “housewife”CRM, Kingdee ERP online, realized the management of comprehensive office information.
Longsin obtain CE certifications of smoke detector, pir detector etc.
Several Longsin products passed SOPA certification.
The plant of Longsin was expanded to 1200 square meter.
Shenzhen Longsin Tech. Attended Hightech Fair and CPSE.

2011

Shenzhen has developed 10 new products not only in domestic market but also exported to Europe, South America, southeast Asia and other regions, have gained good reputation among the overseas.
The registered trademark of Longsin was awarded “Guangdong Famous Trade Mark”.

2012

Longsin investing heavily in machinery and equipment,the plant was expanded to 1800 square meters .
Longsin won “Shenzhen well-known brand” for different products.

2013

The Electronic plant of Longsin Tech was increased 1,200 square meters,total 3,000 square meter.
Longsin passed the certification of national ISO9001-2008 security system.
Shenzhen Longsin was awarded as a Well-known brand manufacturer of security industry.

2014

Langxin adds 1800 smoke and temperature sensing probes for comprehensive testing of cigarette boxes

2015

International authoritative organization SGS
reexamine

2016

Design and production of newly added smoke detectors, infrared detectors, and gas detectors through IS09001:2015 quality management system audit

2017

Langxin has completed the establishment of the laboratory and can complete the testing of all products. The first phase of Langxin Laboratory's instrument procurement has been completed, and ATM cigarette boxes are in place

2021

On June 18, 2021, Shenzhen Langxin Intelligent Technology Co., Ltd. Huizhou Branch was established in Huizhou

2023

Langxin participated in the 25th High Tech Fair Emergency Safety Technology Exhibition at Shenzhen International Convention and Exhibition Center (Bao'an)

2025

Langxin is still striving and has never stopped moving forward

Company Honor

· National high-tech enterprise certification · ISO9001 quality management system certification
· GB/T27922-2011 three-star after-sales service certification · AAA-level corporate credit certification

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Nationwide layout 100+ dealers

Nationwide coverage 300+ major cities

Global service 100+ countries and regions

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Excellent service to satisfy customers

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Info@longsin.cn

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Phone +86 139 2386 8655

E-mail: info@longsin.cn

Add: 401, Building 2, Kaijieda Industrial Zone,97# Huaxing Road, Langkou Community, Dalang Street, Longhua District, Shenzhen City

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