Ltd has imported 100 sets automatic production lines to produce neon lamps and environment protected lead free neon lamp . annual productivity is up to 1 . 3 billion pieces ; it is the largest neon lamp manufacturing and exporting base in the world 公司引进100条全自动氖灯流水线,年产ne系列指示氖灯无铅氖管13亿支,是全球最大的氖灯生产出口基地