Photocell & Smart Lighting Control Manufacturer
CHI-SWEAR is the technical and global sales portal of LONG-JOIN, supporting OEM/ODM buyers with photocells, NEMA 3/5/7-pin controls, Zhaga Book 18 components, and smart outdoor lighting solutions.
OEM/ODM Support
Specification review, sampling, customization, and quotation support for qualified B2B lighting projects.
UL, cUL, CE, CB, ISO 9001 and Zhaga documentation is available for applicable models—confirm the exact standard and certificate for your selected product.
Send your voltage, load, interface, environmental and compliance requirements for product matching and quotation.
LONG-JOIN Manufacturing & Technical Capabilities

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Why Choose Us
Shanghai Long-Join Intelligent Technology Inc.
The LONG-JOIN manufacturing business was founded in 1996. The Intelligent Technology company was incorporated in September 2003 in Shanghai Baoshan District and specializes in the design, development and manufacture of light-controlled switching devices.
On February 14, 2016, the company completed its shareholding reform and changed its name to Shanghai Long-Join Intelligent Technology Inc. It was listed on the National Equities Exchange and Quotations (NEEQ) on May 30, 2016, under stock code 837588.
CHI-SWEAR is part of the LONG-JOIN Electronics brand network, providing international customers with direct access to our products, technical expertise, and manufacturing capabilities.



The company's existing staff of about 200 people, including three senior engineers, 12 engineers.The current products are almost all exports (including self-export, export agents and lamps supporting re-export). In 2020, annual sales volume was approximately 8.5 million pieces (pcs).
The company has a registered capital of 28 million yuan and a total investment of 100 million yuan (including fixed assets of about 55 million yuan).
twist lock photocontrol
Smart Lighting Controls
Zhaga Book 18 Components
Production Workshop
LONG-JOIN manufactures photocontrols and outdoor lighting control components, including NEMA receptacles, controller housings and bases, and Zhaga Book 18 components. CHI-SWEAR helps international OEM/ODM buyers identify the product families and mounting interfaces required for their projects.
Production combines automatic equipment, semi-automatic processes and manual operations for customized orders. The factory states that its quality management system follows ISO 9001:2015 and that it applies 5S practices to production operations. Confirm model-specific requirements, documentation and customization options with our team before ordering.



Qualification Certificate & Patents






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