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

Should Photocells Have Transparent or Frosted Windows?
OUTLINE In product evaluation and procurement, we try to ask why some photocells have a clear lens window while others have a frosted dome. The

Should Photocells Use a Photodiode Instead of CDS?
OUTLINE This debate comes up regularly in outdoor lighting procurement, and it almost always starts the same way: someone points at the price difference between

How to Identify Aging or Poor Contact in NEMA Receptacles Without Tools
OUTLINE A NEMA receptacle sits on top of a street light pole and does nothing visibly dramatic for years. No moving parts, no indicator lights,

Should Long-Join Photocells Have a Delay? How to Choose the Right Setting
OUTLINE The delay function in a photocell is one of those features that most users either never think about or blame for problems it didn’t

6 Factors That Make Photocontrols More Prone to False Triggers in Winter
OUTLINE Summer gets most of the attention when outdoor photocell performance is discussed. High temperatures, intense UV, and surge risk from lightning are real problems.

Which Internal Components of Photocontrols Are Affected in 60°C High-Temperature Environments
OUTLINE Most outdoor photocells spend their entire service lives in positions with no shade, no ventilation, and no protection from direct solar radiation. In the

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
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.