Candle, Purple, Text

TUS Qingyuan, established in 2015, Shanghai, is a high-tech corporation focusing on lithium extraction from brine technology. As the world leader of lithium extraction field, the company has an experienced R&D, engineering, product, operation and maintenance expert team. By the end of 2022, the team has grown from 10 people to 339 people .
TUS Qingyuan is a professional technical service provider of lithium extraction projects. With a complete set of production of lithium chloride, lithium carbonate, lithium hydroxide, metallic lithium, borax and boric acid patent technology, it has the ability to undertake the design, construction, operation and maintenance of the whole process of brine lithium extraction project, and self-developed/owned adsorption/membrane combined process technology.
The main clients include Lake Lithium Industry, Eramet/TSINGSHAN , CITIC Guo’an Lithium Industry, etc. The company has conducted various pilot tests continuously in Qinghai of different brines.

Logo, Triangle

Gradiant is a global solutions provider for advanced water and wastewater treatment. With a full suite of differentiated and proprietary end-to-end solutions, powered by the top minds in water, the company serves its clients’ mission-critical operations in the world’s essential industries. Gradiant’s innovative solutions reduce water used and wastewater discharged, reclaim valuable resources, and renew wastewater into freshwater.

Gradiant offers an extensive range of solutions for the complete mining life cycle. From freshwater supply and wastewater reuse, often in remote locations, to advanced treatment and extraction in preparation for processing ore. Our innovative brine mining processes concentrate lean liquors and transform waste into new mineral resources.

We offer comprehensive end-to-end solutions for Direct Lithium Extraction (DLE) from extraction of lithium from brine deposits or geothermal brines, to concentrating lithium chloride solutions, and converting to battery-grade lithium carbonate or lithium hydroxide solutions.

We have proven know-how to:
• Yield the high-value end-product the industry demands
• Efficiently process lower ore grades
• Customize solutions for complex process streams
• Ensure environmental discharge compliance
• Design and operate facilities in remote location

Gradiant is Boston-headquartered company founded at MIT and has over 1,000 employees worldwide. Our China team operates from state of the art corporate and R&D facilities in Ningbo, and sales offices in Shanghai. Our Ningbo location is a 3,500 square meter facility built in 2020. Learn more at