STi Group – Song Thanh International Co., Ltd.
Experts in Water Supply and Drainage Technology & Equipment

Song Thanh International Co., Ltd. is a professional supplier of industrial pumps and valves (mechanical equipment and industrial equipment for the water supply, drainage, and environmental sectors) in Vietnam. The products we provide are widely applied across various industries such as clean water supply systems, wastewater treatment, oil & gas, mining, chemicals, thermal power, hydropower, and more.
Established on May 24, 2002, with more than 15 years of growth and development, we are proud to be the official representative and trusted partner in Vietnam of world-leading pump and valve manufacturers, including KSB pumps (Germany), RITZ–ANDRITZ pumps and water technology equipment (Germany), VAG valves (Germany), DRAGON (USA) specializing in pumps, valves, generators, and water industry equipment, as well as NORDIC WATER (Sweden) specializing in filtration and water/wastewater treatment technologies.
In 2015, Song Thanh International Co., Ltd. was assessed and certified with the ISO 9001:2008 Quality Management System by BOA—one of the world’s leading certification organizations. The successful implementation of ISO and continuous improvement of our quality management system is our commitment to providing customers with the best products and services.
Moving forward on our strong development path, we continue to enhance our organizational structure, human resources, technical expertise, and financial capacity. Choosing Song Thanh means choosing a stable, long-term, and reputable partnership with reliable and exceptional service quality.
Alongside the development of the country, our leadership team, dynamic managers, highly skilled technical staff, and well-trained workforce equipped with modern, synchronized facilities are honored to contribute to the success of our clients and to the process of national industrialization and modernization.
Key Resources Driving Our Growth
At STi, we believe that quality and operational efficiency are the foundation of sustainable development. Our solutions and equipment are widely applied in logistics, manufacturing, and commercial operations, helping businesses increase productivity and optimize their processes.
Reaching Global Standards
With an extensive international partner network, STi has seamless access to high-quality products and advanced technologies. Our team works closely with customers to select the most suitable solutions for every need and challenge.
Aiming for a Sustainable Future
We prioritize durable products, energy-efficient processes, and strict compliance with environmental standards. Continuous improvement and investment in technology enable STI to deliver eco-friendly solutions aligned with a sustainable future.
A Journey of Building Trust
Over many years of expansion and refinement, STi has built a strong reputation in trade, import–export, and the distribution of specialized equipment. Our credibility comes from transparency, consistency, and a strong sense of responsibility.

