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

Small Dusk to Dawn Sensors for Compact Outdoor LED Fixtures: Long-Join Photocell Solutions
OUTLINE Compact outdoor LED fixtures create a photocell problem that larger outdoor lighting fixtures don’t have: space within. Fixtures such as mini wall packs, garden

Best Adjustable Dusk to Dawn Sensors for Commercial Outdoor Lighting
OUTLINE In photocell installation, some things are clear: A photocell mounted on the north face of a building reads a very different light environment from

NEMA vs Hard-Wired Dusk to Dawn Sensors: Which Is Better for Street Lighting?
OUTLINE Every outdoor photocell does the same core job: switch outdoor lighting on at dusk, and back off at dawn. Where they differ is in

Integration of Photocontrol and Smart Controllers: The Future of Lighting Trends
OUTLINE Street lighting looked roughly the same for decades. A photocell sat on top of a pole, sensed when it got dark, switched the light

Why IP65 Photocells Are Essential for Outdoor Lighting in Humid Latin American Climates
OUTLINE Talk to a contractor who has run outdoor lighting projects across coastal Brazil or Mexico’s Gulf highway network, and they’ll tell you the same

Top Applications for 240V Dusk to Dawn Sensors in Mexico Industrial Lighting Projects
OUTLINE Mexico’s industrial sector is expanding rapidly. New industrial parks, logistics centres, and manufacturing facilities are coming online across Monterrey, Guadalajara, Tijuana, and the Bajio

How to Choose the Best Dusk-to-Dawn Sensor for Outdoor LED Lighting in 2026
OUTLINE Picking a sensor for an outdoor LED project isn’t as straightforward as people think. Some units are reasonably priced and look fine to do

Key Benefits of Twist-Lock Low Voltage Photocontrols for Users
OUTLINE A growing share of Outdoor lighting controls run on 12V, 24V, or 48V DC supplies. Among them, you will find solar street lights, traffic
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.