Your Trusted Manufacturer in Outdoor Street Lighting Solutions
(Photocell & Photocontrol)
At the LONG-JOIN, we can provide a set of lighting controller solutions and are good at solving some questions of before-after service. as well as specializing in the largest 2 categories of led lighting application areas in the world. eg Zhaga series and NEMA/ANSI series. without worry, we capability to offer mass products and pre-booking a few special samples within work time. this is especially true about our product features both a well-brand reputation and good testimonials from oversea customers.
Our Main Product
Photocell Detailed Information Here
Why Choose US?
Founded in 1996 by visionary entrepreneur Huang Jianxiang, LONG-JOIN has grown into a leading brand in intelligent lighting technology. Today, the LONG-JOIN Group includes companies such as Shanghai Longjoin Electrical and Mechanical Technology Co., Ltd. and Zhejiang Umelink Intelligent Technology Co., Ltd.
We are committed to the development of light photocontrols and related accessories, while advancing digital integrated system control. Our two key product lines — the modern lighting management system (UM9000) and the smart light pole system (UM9900) — represent the future of intelligent urban infrastructure.
These solutions not only enable smarter living with real-time local and remote lighting control, but also collect environmental data to provide valuable support for urban management and decision-making.
History
For more than 20 years, Shanghai Long-join Intelligent Technology Co., Ltd. focuses on processing and manufacturing and intelligent street lighting controller accessories.
CO-Brand
Our customers span Europe, the United States, and beyond. Our products have illuminated streets worldwide.
Price & Payment
We offer gradient quotations based on your order quantity. Our payment and cooperation methods are designed to meet your needs
New Series
Get the global EU zhaga book 18 certifications in 2019, and actively joined the zhaga alliance association. referable look for the website: zhagastandard.org/products.
Certificate
There is a number of other country market certification qualifications. such as UL,CE,RoHS,CB,FCC, and zhaga boo18, etc.
Service
Our professional sales team excels in communication and problem-solving. We're here to understand your needs and provide precise solutions.
Research
Nossa fábrica se concentra em pesquisa e desenvolvimento tecnológico e inovação, e acumula mais de 30 patentes de invenção e modelo de utilidade.
Equipment
Nossa fábrica possui uma linha de produção completa e tecnologia de ponta para atender às necessidades de grandes clientes.
Application Details
1. Pre-installed Smart Light Control Combination Kit: Rainy Cap(Shorting Cap) & Receptacle Socket
2. Smart light control system application accessory combination: Photocontroller Cover &Base
3. Other opitional Wireless Smart Lighting Control Switches
Hot Products
All In One-Stop Customize Twist Lock Photoconrol And IP54,IP65,IP66
- 1.Rated Voltage: Customize
- 2. On / OFF Lux Level: Customize
- 3. IP Rating: IP54, IP65, IP67
- 4. Compliant Standard: CE, ROHS, UL
The photocontroller 2 series is applicable to control the street lighting, garden lighting, Landscape light and highway lighting automatically in accordance with the ambient natural lighting level.
JL-700W Zhaga Book 18 Zhaga Connector From Brand OEM/ODM Manufacturer Longjoin
- 1. Product Model: JL-700W
- 2. Material: PBT and Add UV Stabilizer
- 3. Leads Gauge: optional customize
- 4.Rated impulse Voltage: 0.8kv
Compliant Zhaga Book 18 Standard is applicalbe to develop standard devices used for roadway lighting, area lighting, or occupancy lighting, etc.
Customize Black / Gray /WhiteTransparent Photocell Sensor Accessories Dome / Shell
- Product Model : YS800076/JL-241J
- Material: PC/PP (Customer Requirement)
- 3. Color:gray/black
- 4. Standard: UL,CUL
OEM/ODM Design lighting luminaires Photocell Controller fitting. eg wall pack light, Led barn light, Factory light, lawn light etc.
Production Process
Inside the Making of Reliable Photocontrols
The production of photocontrols combines precision engineering with strict quality standards. From sensor selection to circuit assembly, every step is designed to ensure accuracy, durability, and safety in outdoor environments.
From Assembly to Assurance: How Quality Photocells Are Built
Each unit undergoes rigorous testing—covering temperature cycles, waterproofing, and electrical reliability—before leaving the factory. This process guarantees that every photocontrol meets international certifications and delivers consistent, long-term performance.
Exhibitons
Our gallery
We received from customers at the trade show has provided us with valuable insights and direction for our future international expansion. We will use this opportunity to continuously improve our products and services, and provide even better solutions to our global customers.
The trade show was extremely important for our company; it not only allowed us to showcase our products and services comprehensively, but also yielded significant results.
Headquater and Leader Team
Certificate & Patents
Knowledge of Photocell Industry

NB-IoT: Iluminando o Futuro da Iluminação Pública Inteligente — Da Aquisição da Telensa pela Signify à Visão Global da Long-Join
Outline Can a single technology redefine how our cities light up at night? The rise of NB-IoT is doing just that — connecting every streetlamp

Células fotoelétricas de luz zero azul e Zhaga-D4i: o futuro da iluminação pública sustentável.
Outline The world of street lighting is changing fast. Cities want safer nights and less light pollution. But how can we achieve all three at

Oportunidades para fotocélulas no mercado global de iluminação de 2025 a 2032
Outline What’s powering the next big leap in the global lighting market? Is it just LEDs—or the smart components behind them? In the upcoming years,

Qual tipo de fotocélula é o mais adequado para o meu projeto: Twist-Lock, Wire-In ou Zhaga?
Choosing the right lighting control directly impacts your lighting project. With multiple types of photocells available, the choices could be confusing. Differences go beyond just

Todas as fotocélulas são compatíveis com a sua iluminação pública?
Outline Are you sure the photocells you’re using actually fit your street lights? Many installers assume all photocontrollers work the same. But they don’t. A

Células fotoelétricas inteligentes explicadas: ZigBee, LoRa, NB-IoT ou Wi-Fi – qual é o futuro?
Outline Streetlights were once just turned on at dusk and off at dawn. But now they are getting smarter. Cities are upgrading to connected lighting

Como nossas fotocélulas sobrevivem a ambientes hostis: névoa salina, calor e tempestades
Outline Outdoor lighting doesn’t get an easy life. From salty coastal winds to desert heat, photosensors face some of the harshest environments on earth. Yet, these

Por que as fotocélulas de iluminação pública falham? Como escolher uma solução confiável e duradoura?
Outline Seeing your street lights flickering or stopping working too soon? Sometimes, photocell switches fail too soon, while they seem built to last. These small devices
CONTACT US
Perguntas frequentes
P1: Vocês são uma fábrica?
Sim. Somos a fábrica fabricante, e nossa fábrica é especializada em produtos eletrônicos industriais há quase 25 anos.
P2: Vocês têm produtos em estoque para vender?
Não, produzimos esses produtos eletrônicos de acordo com as necessidades do cliente. Isso inclui material, densidade, formato, tamanho, design e quantidade, que dependerão do que você especificar.
P3: É possível imprimir um LOGOTIPO no produto eletrônico?
Sim, podemos imprimir o logotipo conforme suas especificações.
Q4: Quais são as suas vantagens?
Somos a fábrica e temos capacidade para cumprir um cronograma de produção com entregas pontuais. Mais importante ainda, podemos fornecer amostras grátis para avaliação da qualidade.
Q5: Se eu quiser obter um orçamento, quais informações preciso fornecer?
Em geral, tipo e quantidade.