With many years of experience in the field of design and construction of pre-engineered steel buildings, Hai Long is proud to own an elite, skilled and dedicated technical team along with a steel structure factory with a capacity of 15,000 tons. each year is equipped with specialized lines of modern machinery. Hai Long has participated in the construction of many large and small steel structure projects across Vietnam and has brought the highest quality to the investor for more than 2 decades. We are committed to providing the best quality of service, ensuring fast construction progress, technical and safe construction quality.