Established in 1998, Tianjin Kezhan Electro-optics Technology, formerly known as Tianjin Keyi Light, is located in Nankai District Industrial Park with a workshop covering 500 square meters.

We specialize in several types of medium-sized bulbs, miniature bulbs, sub-miniature bulbs and LED bulbs, which are widely used in factories, ships, railways and aviation industry.

Our experts with 14 years of experience can handle customized designs. We are known for our outstanding quality, competitive price and prompt delivery. Send us your inquiries today.bulbs and LED bulbs, which are widely used in factories, ships, railways and aviation industry.

Our experts with 14 years of experience can handle customized designs. We are known for our outstanding quality, competitive price and prompt delivery. Send us your inquiries today.