Established in July of 1994, located in Changzhou Xixiashu Industrial Park, Changzhou Liangdi Electron Light Source Co., Ltd. is Jiangsu High-tech company, specializing in developing and manufacturing of various kinds of infrared heating lamps and waterproof infrared patio heaters for both outdoor and indoor use. With 16 years' history in this industry, Liangdi covers a land of more than 60,000sqm, has 180 staff (including management team and more than 30 engineers). With 18 patents of various products, all Liangdi's products are CE, ROHS, GS, ETL/cETL certified; factory is ISO9001 & ISO14001 and third party- SGS audited.