The brothers, Zhang Yue and Zhang Jian, registered the private company Heating Equipment Plant and BROAD Thermal Engineering Institute in Chenzhou, Hunan with a capital of RMB 30,000

Successively assigned the patents and drawings of pressure-free hot water boiler for 7 times with a collective income of nearly RMB 1 million

The direct-fired non-electric chiller was invented. BROAD relocated to Changsha and renamed as BROAD Air Conditioning, staff totaling 43

Started setting up sales and service offices in all provinces around China
The Advertisement of BROAD’s Opening a New Era of Central Air Conditioning was broadcasted at CCTV prime time and released on Reference News

Built up the first phase of BROAD Town and the production streamline for non-electric air conditioning, staff totaling 433

The world’s No.1 seller of non-electric air conditioning and China’s No.1 seller of central air conditioning by sales volume

Founded BROAD USA and started international sales
“BROAD Hi-Tech Park” was awarded which became one of two nationclass enterprise hi-tech parks
A corporate jet was purchased, marking BROAD the first company in China to own the private aircraft and rocked the world. With increased environmental consciousness, BROAD stopped using corporate jets in 2008

The two brothers separated. Zhang Yue took over BROAD Group. Zhang Jian operated the Sino-Japanese joint venture BROAD Beltecno(now BROAD Homes) .The two shared the brand of BROAD

BROAD Town expanded to 0.3km² after 6 land acquisitions

BROAD was rated China’s No.1 taxpayer among private companies by the State Administration of Taxation

BROAD Values was released, establishing corporate moral bottom lines of “7 Don’ts and 1 No”

China’s first company to implement Energy Management Contract of Central Air Conditioning
The Premier and the NPC Chairman of China visited BROAD Town and spoke highly of BROAD innovations and environmental protection endeavors
Launched the transparent sales model with the Product Price List and the Fair Pricing Policy disclosed to the public

China’s first company to invent clean air products

BROAD Town expanded to 1km2 after 11 land acquisitions, staff totaling 2090

started to develop factory-made steel buildings, BROAD Sustainable Building Co., Ltd was set up

BROAD Group was established, consisting of 8 subsidiaries covering air conditioning, clean air technology, sustainable building and employee-owned energy service, building energy efficiency, recycling resources, BROAD Tianjin and BROAD USA

BSB Town reached 1.3 km² with factory area covering 230,000m²
BROAD non-electric air conditioning has been sold to 80 countries

The 57-floor Mini Sky City was constructed within 19 days and was selected as one of “the top 40 influential innovations in the world”

BSB case was listed in the Annual Report of Global Construction Development by Davos Forum

The stainless steel B-core slab was developed successfully within 3 years, which marked the birth of human “ultimate light-weight structural material”, transforming the world’s construction, transportation & energy industries from the foundation; the development of B-core road, bridge & vacuum loop was initiated

F Tower, the most exaggerated building in the world, was built with stainless steel B-core slabs, highlighting the “super strong, super light” mechanical properties of B-core slabs
The 8th Secretary-General of the United Nations Ban Ki-moon, the former president of the European Union and other 8 world leaders inspected BROAD original environmental protection technologies

Due to the outbreak of COVID-19 pandemic, Holon building development was launched
Air purifiers were supplied to 76 anti-epidemic hospitals including Huoshenshan and Leishenshan

Holon building Version 7.0 was developed successfully. On June 5, an 11-story residential building was built in 28 hours.