Lung Lighting Appliance Co., Ltd. Changzhou professional production of high-pressure sodium lamps and accessories, the production of high-pressure sodium niobium tube with blind hole as the only, in the production of niobium tube compared with the normal yield, high production efficiency, product long service life, will eventually replace the traditional e-beam manufacturing process; high pressure sodium lamp high pressure sodium arc tube and excellent quality, far exceeding the national standard, domestic customers to provide technical requirements, some foreign customers must provide supporting ballast, which we standard products can be produced on demand. Company to pursue the interests of customers as a starting point, create benefits for customers, we will provide customers new and .. (more>>)