Thang Long was established in 2007 with the goal of becoming a comprehensive solution provider for central air conditioning and ventilation systems for buildings.

In 2010, the Company became the official Distributor of Toshiba - Carrier Air Conditioners in Vietnam.

After 07 years of active operation in this field, in 2014 the company expanded the Warehouse and Workshop at Thanh Oai B Industrial Cluster, Bich Hoa, Thanh Oai, Hanoi to meet the needs of storing goods for construction projects. , large projects and new investment in machinery and equipment to serve the increasing demand for production of materials and accessories for ventilation systems. With the scale of the mechanical factory, air ducts, air vents, cable trays, electrical cabinets... for air conditioners and machinery and equipment for production, the Company can ensure the criteria of "proactive progress". , quality control, reducing costs for investors" and providing to units in the same industry.

In 2017, the Company expanded production and business activities with a new transaction office at 21 Pham Ngoc Thach, Dong Da, Hanoi and a Da Nang branch at 508 Dien Bien Phu, Thanh Khe, Thanh Khe District, Da Nang. Da Nang.

In February 2018, Thang Long Refrigeration Mechanical Joint Stock Company established a new legal entity "Thang Long Refrigeration Mechanical Trading and Production Company Limited" still under the leadership and guidance of Deputy Director Hoang Van Thai, in order to Separate specialization in the field of providing air conditioning equipment and providing related services, whereby the legal entity "Limited" specializes in the field of equipment supply with many significant achievements in 2018.

With a team of high-quality personnel, a warranty system, and a wide distribution of mechanical and commercial air conditioning products, Thang Long's centers have been present nationwide through many large and small projects. Professional and reputable repair, installation and construction services.