Tam Long (Talco) is found on December 12, 2000. The Headquarter of Tam Long is at CDS Building, 477 Minh Khai Street, Hai Ba Trung District, Hanoi Capital. Tam Long is a company that specialized in technology solution, design and construction of the plants, factories. We cooperate with the international contractors to supply the technology solutions, design, building, operation and transferring the plants, factories (BOT project). TAM LONG is the leading company in terms of building and operating the production plants of Hydrogen, antibiotics, chemicals for wastewater treatment, basis chemical such as Sulfuric acid, Phosphoric acid