--- title: "Dongjiang Env's chemical nickel plating wastewater resource recovery technology has been granted an invention patent by the United States Patent and Trademark Office" type: "News" locale: "en" url: "https://longbridge.com/en/news/260736011.md" description: "Recently, Dongjiang Env achieved an important breakthrough in the resource utilization of industrial wastewater. The independently developed \"Resource Treatment Method for Chemical Nickel Plating Waste Liquid\" has officially received invention patent authorization from the United States Patent and Trademark Office, marking international recognition of Dongjiang Env's innovative achievements in the resource treatment technology of nickel-containing wastewater" datetime: "2025-10-11T09:46:11.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/260736011.md) - [en](https://longbridge.com/en/news/260736011.md) - [zh-HK](https://longbridge.com/zh-HK/news/260736011.md) --- > Supported Languages: [简体中文](https://longbridge.com/zh-CN/news/260736011.md) | [繁體中文](https://longbridge.com/zh-HK/news/260736011.md) # Dongjiang Env's chemical nickel plating wastewater resource recovery technology has been granted an invention patent by the United States Patent and Trademark Office Recently, Dongjiang Env achieved an important breakthrough in the resource utilization of industrial wastewater. The independently developed "Resource Treatment Method for Chemical Nickel Plating Waste Liquid" has officially received invention patent authorization from the United States Patent and Trademark Office, marking international recognition of Dongjiang Env's innovative achievements in the resource treatment technology of nickel-containing wastewater ### Related Stocks - [Dongjiang Env (002672.CN)](https://longbridge.com/en/quote/002672.CN.md) - [DONGJIANG ENV (00895.HK)](https://longbridge.com/en/quote/00895.HK.md) ## Related News & Research - [EIA report: cobalt producer CMOC allegedly poisoned local air, displaced people in Democratic Republic of Congo](https://longbridge.com/en/news/278451695.md) - [13:15 ETInventHelp Inventor Develops Modified Baby Carrier (MBQ-794)](https://longbridge.com/en/news/278594346.md) - [Henlius Biotech Secures Regulatory Approval to Begin Human Trials of Tumor Drugs](https://longbridge.com/en/news/278370735.md) - [Pizu Group Details Tajikistan Mining Loan Deal and Planned 45% Stake in Kanzi Diyor](https://longbridge.com/en/news/278384508.md) - [11:15 ETInventHelp Inventor Develops New Brake Warning System (RIM-342)](https://longbridge.com/en/news/278746531.md)