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.

The JL-217C and JL-207C series offer tailored solutions for surge protection in outdoor lighting. The JL-217C provides modular, staged defense

Choosing a reliable supplier for your photocell street light needs involves much more than comparing prices. Consider product quality, innovation,

Brazil and Chile are changing South America’s lighting systems. They use photocell technology to make lighting more efficient. They firmly

Addressing the ten major pain points in outdoor smart lighting through intelligent light controllers and wireless technologies significantly enhances energy

South America’s struggles in photocell manufacturing boil down to underdeveloped research systems, fragile supply chains, rising costs, limited market demand,

LONG JOIN has always been committed to providing customers with high-quality and highly adaptable light control products. We welcome you