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- 1958: Lang Son Piped Water Factory was established; - 1980: Renamed as Lang Son Water Factory; - 1992: Renamed as Lang Son Water Supply Company; - 2005: Renamed as Lang Son Water Supply and Drainage One-Member Limited Company under the Decision No. 1551/QD-UBND issued by Lang Son Provincial People's Committee; - 12 November 2008: Lang Son Provincial People's Committee approved the plan on transforming Lang Son Water Supply One-Member Limited Company into Lang Son Water Supply and Drainage Joint Stock Company under the Decision No. 2438/QD-UBND; - 25 December 2008: Went IPO at an average winning bid of VND 10,500 per share; - 10 April 2009: Put into operation in a joint stock company model with a charter capital of VND 50,098,000,000; - 29 July 2016: Traded on the UPCOM market; |
