YANCHENG IPARTARTNER OPTICAL TECHNOLOGY CO.,LTD. Located in East of China, north of Shanghai ,Yancheng of Jiangsu Privience. It founded in 2013,We have 3 engineers and 30 workers. Our Group main produce Neon sign,Led neon sign, Neon clock, Led sign,light letters,led display and light box and so on. Each year we can develop about 100 news products for market,our products has CE, Rohs, EMC and UL Certificate,and your designs also welcome.