中文：

  公司依据国家城市生活污水处理相关排放标准，拥有各类******工艺技术，其中包括“A2O除磷脱氮工艺”、“卡鲁塞尔3000型氧化沟工艺”、“奥贝尔氧化沟工艺”、“曝气生物滤池技术”，以及被重庆市环保局首批推荐使用的城镇污水处理适用工艺技术。这些工艺技术已广泛应用于各类生活污水处理工程中，出水水质全面达到或优于国家现行的排放标准。

  English：

  According to the national discharge standards for municipal domestic sewage treatment, the company has various advanced technology, including "A2O phosphorus and nitrogen removal process", "Carrousel 3000 oxidation ditch process", "Obel oxidation ditch process", "biological aerated filter technology", and the first recommended technology for municipal sewage treatment by Chongqing Environmental Protection Bureau. These technologies have been widely used in all kinds of domestic sewage treatment projects, and the effluent quality fully meets or surpasses the current national discharge standards.