Chemical Water Treatment Solutions for Industrial and Municipal Applications

Litree: Pioneering Ultrafiltration for a Water-Secure World Founded in 1992, Litree has dedicated 30+ years to redefining water purification through ultrafiltration (UF) membrane technology—our core expertise and passion立升（Litree）. As a global high-tech enterprise rooted in independent innovation, we’ve evolved from a membrane R&D startup to one of the world’s leading water problem solvers, with over 146 core patents and state-of-the-art manufacturing hubs in Haikou and Suzhou, China立升（Litree）. Our signature hollow fiber UF membranes are engineered to deliver unmatched performance: 0.01μm precision removes 99.99% of bacteria, viruses, and contaminants while preserving essential minerals—striking the perfect balance between purity and health立升（Litree）. This technology powers our diverse solutions, from residential whole-house systems to large-scale municipal projects and industrial wastewater treatment, all designed for sustainability and cost-efficiency. What truly sets us apart is our commitment to making safe water accessible. We’ve completed projects serving 50,000+ residents with centralized purification systems that cut construction costs and footprint by 50% compared to traditional setups—proof that advanced technology can also be affordable. Today, our solutions reach 60+ countries, supporting 3,000+ industrial clients and millions of households worldwide. At Litree, water isn’t just our business—it’s our mission. We believe every drop matters, and we’ll keep pushing boundaries to create a future where clean, safe water is a universal right, not a privilege

Founded in 2009, formerly known as Red Circle Industries (RCI), RCI Aquatech creates custom wastewater solutions based on end users’ requirements, which allow for optimally chosen components resulting in a solution that meets or exceeds customer needs. RCI Aquatech’s wastewater treatment systems combine necessary process technologies to reach required state and federal discharge limits and comply with local regulations. Our systems focus on removal of pollutants such as heavy metals, greases, suspended solids, oils, high salt content, toxic compounds, phosphates and more. Using chemical-physical treatment (coagulation, flocculation, and sedimentation), biological treatment (aerobic and anaerobic) and wet chemical oxidation (persistent or toxic organics). Our expertise comprises the following technologies:  Filtration & softening systems  Physicochemical treatment (coagulation-flocculation)  Membrane filtration (UF & RO)  Ion exchange  Chemical oxidation  Biological treatment  Zero liquid discharge (ZLD) system

BIO-UV Group specializes in innovative water treatment and disinfection solutions using ultraviolet, salt electrolysis, ozone, and advanced oxidation processes. Serving diverse industries, they offer systems for recreational, industrial, municipal, and maritime applications, ensuring environmentally friendly and effective water management.

Hebei KaiHong Chemical Co., Ltd. specializes in the research, development, and production of water treatment disinfectants. With a large-scale operation in Hebei, China, the company produces key chemicals like trichloroisocyanuric acid and sodium dichloroisocyanurate, serving both domestic and international markets with advanced water purification solutions.

YWT Ltd. specializes in advanced water engineering solutions, offering a range of services including reverse osmosis, UV disinfection, and chemical supply. Based in Israel, they cater to the Middle East & Africa region, serving industries such as utilities and manufacturing.

Lightbest UV&Ballast is a leading manufacturer specializing in UV lamps and ballasts, offering advanced solutions for water and air sterilization. Based in China, the company serves various industries by providing high-quality UV disinfection products and technologies.

Guangzhou Welgo Environmental Equipment Co., Ltd. specializes in producing advanced UV sterilizers, ozone, and AOP systems, catering to various industries including manufacturing, utilities, and waste management across China and the Asia-Pacific region.

Lenntech B.V. specializes in providing tailor-made water treatment solutions, offering a range of services including reverse osmosis, ultrafiltration, and containerized systems. Operating primarily in Europe, they cater to industries such as food and beverage, utilities, and manufacturing, ensuring efficient water reuse and treatment.

Alpha-Purify is a leading UK-based manufacturer specializing in ultraviolet lamps for air, surface, and water disinfection. Serving a diverse range of industries, they provide innovative UV solutions for effective and efficient purification across global markets.

Wastewater treatment and reuse technologies

Barchemicals, based in Italy, specializes in manufacturing chemicals and technologies for water treatment. The company provides biosafety solutions, laboratory testing, and consulting services, serving industries like manufacturing, utilities, and waste management across Europe.

UV Technology for Water Treatment

Celtis Water SRL specializes in providing advanced water treatment equipment, including filtration systems and chemical solutions for industrial and domestic applications. Based in Italy, the company serves the European market with a focus on quality and innovation in water purification technologies.

EMEC specializes in chemical metering and dosing equipment, providing advanced solutions for water treatment and disinfection. With a focus on innovative technology, EMEC serves industries across Europe, ensuring efficient and reliable water management systems.

Uvoji, based in Montpellier, France, specializes in UVC LED technology for water and surface disinfection. Their solutions, designed for various applications like residential, recreational vehicles, and boats, ensure safe, chemical-free water purification, contributing to environmental sustainability and public health.

VGE B.V. specializes in UV-C disinfection solutions, providing advanced equipment for water purification. Based in the Netherlands, the company serves the European market, focusing on utilities and technical components industries with medium-scale operations.

BAYSU WATER TREATMENT SYSTEMS specializes in providing advanced water treatment solutions, including equipment manufacturing and system integration. Serving diverse industries, they focus on technologies such as reverse osmosis and ultrafiltration to ensure efficient water purification and treatment across Europe, MEA, and APAC regions.

Filterpur Environmental Protection Technology Co., Ltd. specializes in advanced water treatment solutions, offering equipment and technologies for industrial and municipal applications. Based in China, they serve the Asia-Pacific region, focusing on filtration and purification systems for various industries.