Your Trusted Manufacturer in Outdoor Street Lighting Solutions
(Photocell & Photocontrol)
Explore LONG-JOIN outdoor lighting controls through CHI-SWEAR: photocontrols, NEMA receptacles and accessories, Zhaga Book 18 components, and smart lighting controls. For OEM/ODM product matching, send your supply voltage, load rating, mounting interface, dimming or communication requirements, and target market. Confirm model-specific specifications, compliance documents, sample availability and lead time with our team before ordering.
Choose Your Lighting Control Product Family
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
Zhaga Book 18 Components
Explore Zhaga Book 18 receptacles, connectors and control components. Check mechanical and electrical compatibility for the selected model, and verify any certification claim against the applicable product listing and certificate.
شهادة
Compliance requirements vary by product model and target market. Request the applicable certificates, declarations and test reports, and confirm the covered model, standard and document validity before ordering.
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. Optional Wireless Smart Lighting Controls
Hot Products

All In One-Stop Customize Twist Lock Photocontrol 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



For your selected photocontrol, confirm the applicable temperature range, ingress protection rating and electrical requirements. Request model-specific test reports and compliance documents, and agree on inspection requirements with our team before ordering.



Exhibitions
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.





Headquarters and Leadership 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
Q1: Are you a manufacturer?
CHI-SWEAR is the technical and global sales portal of LONG-JOIN Electronics. LONG-JOIN manufactures photocontrols and outdoor lighting control components, while CHI-SWEAR supports international buyers with product selection and OEM/ODM inquiries.
Q2: Are products available from stock?
Availability depends on the selected model, order quantity and customization requirements. Contact our team to confirm current stock, sample availability and production lead time before placing an order.
Q3: Can products be customized with our logo?
Logo customization is subject to the selected model, available marking area and order requirements. Send your artwork and quantity, then confirm the marking method, minimum order quantity, any setup charges and sample approval with our team before production.
Q4: What OEM/ODM support do you provide?
We support OEM/ODM product matching and customization for outdoor lighting controls. Confirm sample availability, any sample and shipping charges, and the production and delivery schedule with our team for your selected model and order.
Q5: What information should I provide for a quotation?
Send the product model or required product family, order quantity, supply voltage, load rating, mounting interface, and dimming or communication requirements. Include the installation environment, target market and required compliance documents, plus any logo or other customization needs and your delivery schedule. If the model is not yet selected, share the luminaire specifications or drawings for product matching.







