Understanding gasket design isn’t just a technical detail—it’s a key decision point in ensuring street lighting outdoor performance. Whether your

When it comes to outdoor lighting, every component matters. The JL200 Series 3pin receptacle shows how much impact thoughtful design

Choosing the right material for your photocontrol receptacle — it’s not just about price. This makes your lighting system last

Each of these five innovations—structural design, ventilation membranes, ventilation valves, sealing rings, and surface coatings—offer unique protection. But they’re most

For All Direct Wire-In & Locking-Type Photocontrols, such as 103, 118,205c,207c,and wire-controller, twist lock photocell , and split type controller.

We’re building lighting for tomorrow’s cities. From adaptive dimming based on foot traffic to AI-powered diagnostics, we’re exploring innovations that

By combining patents, trademarks, encryption, and internal training, Longjoin ensures our photocell technology stays safe from competitors. This lets us

By combining lean principles, Six Sigma strategies, employee training, and cutting-edge automation, Longjoin has created a smart, agile photocell production

Longjoin’s six-layer quality control system and seven customer confidence strategies ensure that every photoelectric device they produce exceeds market expectations.