INTERNATIONAL PATENT: LINGZHI ENVIRONMENTAL PROTECTION CO., LTD, 凌志环保股份有限公司, ZHONGLINGSHUI ENVIRONMENTAL EQUIPMENT (LINFEN) CO., LTD, 中凌水环境设备（临汾）有限公司, ZHONGLING WATER ENVIRONMENTAL EQUIPMENT (YUNNAN) CO., LTD, 中凌水环境设备（云南）有限公司, LINGZHI ENVIRONMENTAL PROTECTION (LINQUAN) CO., LTD, 凌志环保（临泉）有限公司 FILES APPLICATION FOR "TIME-BASED GRADIENT TREATMENT METHOD FOR WASTEWATER IN AEROBIC ZONE"

GENEVA, March 16 -- LINGZHI ENVIRONMENTAL PROTECTION CO., LTD (Nanxin East Road, Heqiao Town, Yixing CityWuxi, Jiangsu 214200), 凌志环保股份有限公司 (中国江苏省无锡市宜兴市和桥镇南新东路), ZHONGLINGSHUI ENVIRONMENTAL EQUIPMENT (LINFEN) CO., LTD (Within Shangqiao Industrial Park, Ganting Industrial Park, Linfen Economic Development ZoneLinfen, Shanxi 041000), 中凌水环境设备（临汾）有限公司 (中国山西省临汾市临汾经济...