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.
شهادة
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.
بحث
يركز مصنعنا على البحث والتطوير والابتكار التكنولوجي، ويجمع أكثر من 30 براءة اختراع للاختراع ونموذج المنفعة.
Equipment
يحتوي مصنعنا على خط إنتاج كامل وإنتاج رائد لضمان احتياجات المستخدمين الكبار.
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.
عملية الإنتاج
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

Light Photocell Sensor: Detecting Light for Automation
OUTLINE Every time a street light comes on at dusk without anyone flipping a switch, a photocell is doing its job. It reads the ambient

What Is a Twist-Lock Photocell? 3 Tips That Matter When Choosing One
OUTLINE A twist-lock photocell plugs into a NEMA receptacle on a lighting fixture and locks in place with a quarter-turn rotation. That format distinction matters

Photocell Installation and Checklists to Ensure Proper Operation
OUTLINE Most field problems with outdoor photocells trace back to installation decisions made on the day of fitting: the wrong wiring terminal, a sensor position

How to Match LED Fixtures with Dusk-to-Dawn Photocell Controllers for Automatic Control
OUTLINE Automatic outdoor lighting doesn’t require a complex system. A bulb holder photocell controller screws into the existing lamp socket, the bulb screws into the

Differences Between E26 and E27 Lamp Sockets: Essential Standards to Know When Purchasing
OUTLINE E26 and E27 look almost identical; you could almost not tell the lamp sockets apart at first glance. The thread diameter difference is just

Is Your Photocell Switch Not Working? Here Are 7 Simple Fixes to Try First
OUTLINE Has your automated lighting system been acting up? Before you call a maintenance crew or order replacement parts, there’s a good chance the problem

Photo Cell / Sensor Accuracy and Response Speed Comparison: Which Technology Performs Best?
OUTLINE Photocells generally do the same jobs globally, so how are they rated? The technology inside the sensor determines two things: accuracy (how precisely it

Long-Join Low Voltage Photo Cell Sensors for DC Lighting Applications
OUTLINE The growth of solar street lighting, traffic signal systems, aviation warning lights, and DC-powered LED infrastructure has created a real demand that standard AC
CONTACT US
التعليمات
س1: هل أنتم مصنع؟
نعم، نحن مصنعنا المُصنِّع، وخبرتنا في مجال المنتجات الإلكترونية الصناعية تقترب من 25 عامًا.
س2: هل لديكم مخزون من المنتجات للبيع؟
لا، نحن ننتج هذه المنتجات الإلكترونية وفقًا لمتطلبات العميل، وهذا يعني أيضًا المادة والكثافة والشكل والحجم والتصميم والكمية التي تعتمد على ما تريده.
س3: هل يمكن طباعة شعار على المنتج الإلكتروني؟
نعم، يمكننا طباعة الشعار وفقًا لطلباتك المحددة.
س4: ما هي المزايا التي تتمتع بها؟
نحن المصنع، ولدينا القدرة على تنفيذ جدول إنتاجي دقيق للتسليم في الموعد المحدد. والأهم من ذلك، يمكننا توفير عينات مجانية لتقييم الجودة.
س5: إذا أردت الحصول على عرض أسعار، ما هي المعلومات التي يجب تقديمها لك؟
بشكل عام، النوع والكمية.