Nanjing Zhengsen Environmental Technology Co., Ltd was established in 1998 and has become a renowned organization over the years. Nanjing Zhengsen Environmental Technology Co., Ltd is a leading exporter, retailer in China offering high quality active carbon. Also, our success can be evaluated by considering our annual revenue of US$50 Million - US$100 Million. Currently, we are serving importers and buyers from South America 8% Africa 10% Eastern Asia 10% Domestic Market 10% North America 12% Eastern Europe 8% Southern Europe 9% Mid East 12% Northern Europe 8% Oceania 13% and accepting payments via T/T, MoneyGram, Cash. With a workforce of 201 - 300 People we are able to facilitate and respond to our clients within 72h.