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LONG-JOIN‘s Recent Post
In our recent blog post, we will share informationIn our recent blog post, we will share information on optimizing product function and addressing up-to-date product issues for our customers who use our photo controllers. In addition to this, we will provide interesting insights into photocontroller certification and workshops related to processing techniques for different light control applications. Furthermore, we have uploaded advanced controller work operations and demos on the long-standing brand YouTube channel.
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We understand that every customer has unique needs, which is why we offer flexible design options for individual functionality and lighting parts. For instance, we can customize our products with features such as a 480v twist lock photocell, low voltage controller, high-strength penetrating material controller cover, and aid-design for NEMA receptacles or Zhaga sockets for extended parts. This ensures a better fit for light fixture connector systems, such as the BS5972 standard twist lock photocell with a 7 pin receptacle that allows for easy cable wire connection to the controller kits. This breakthrough surpasses the regular version NEMA JL-240XA with wire gauge #16 and #14 leads.
Welcome stay focused on updates and valuable information, and we together make progress and rich your world views about how to optimize your photo controller experience journey.

Does Your Zhaga Socket Need a Non-Return Valve?
Incorporating a non-return valve with your Zhaga Book 18 socket—such as Longjoin’s JL-700 or JL-700W—ensures easier, faster, and more stable installations. Whether you’re integrating a photocell sensor, a smart controller, or a light sensor photocell switch, this small accessory can significantly boost long-term system reliability.

Common Quality Issues and Solutions for Outdoor Street Light Photocells
Enhancing the quality of outdoor street light photocells requires addressing current technical challenges and forecasting future needs. A blend of rugged design, compatibility, intelligent features, and long-term testing builds customer trust and industry leadership. Longjoin is well-positioned to lead this charge with robust R&D, active participation in standardization, and commitment to intelligent lighting solutions.

Your New Derivative Version of Zhaga Socket
Zhaga Book 18 products are now common, so lighting companies must pick suppliers that offer real R&D skills. They also need a solid market presence and a true focus on customer needs. Longjoin exemplifies these qualities, offering high-quality, compatible Zhaga Book 18 products certified by Zhaga authorities.
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