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

The Hidden Cost of Wrong Photocell Selection in Municipal Lighting
OUTLINE Procurement teams working on municipal lighting projects have a natural incentive to find the lowest compliant price in the form of cost, delivery fee,

Why Smart City Projects Are Moving from 3-Pin to 7-Pin Receptacles for Dusk to Dawn Sensors
OUTLINE Street lighting has been running on a fairly simple electrical relationship for decades. Power in, light on. Power off, light off. A 3-pin NEMA

NEMA vs Zhaga: Which Smart Lighting Ecosystem Will Dominate Future Cities?
OUTLINE Anyone specifying smart city lighting infrastructure right now is working with two competing interface standards that have different geographic strongholds, different design philosophies, and

How to Protect Your Outdoor Lighting: Effective Strategies and Long-Join Photocell Features
OUTLINE Outdoor lighting takes a sustained beating. Rain, UV radiation, temperature swings, voltage spikes, dust, salt air, and mechanical impact from installation and maintenance accumulate

Selection Guide for Wire-in vs Twist-Lock Photocontrols: Featuring Long-Join JL-207C, JL-200X, and JL-403C
OUTLINE Choosing between a wire-in and a twist-lock photocontrol comes up on almost every outdoor lighting project, and the answer is rarely complicated once you

Why UL Certification Matters for Outdoor Photocontrols in North America
OUTLINE Verification that things meet strict safety and compliance standards is very important in North America, and this applies to outdoor lights and their photocontrol

Common Failures in Outdoor Light Sensors and How to Avoid Them
OUTLINE Photocells are becoming an ever-present part of most outdoor lighting. Failure of these light control sensors could lead to flickering lights, lights coming on

How Dusk-to-Dawn Sensors Reduce Energy Costs for Parking Lot Lighting
OUTLINE Something most parking lot managers don’t think about until they see the electricity bill is that the lights are running whether anyone is in
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.