- "Chung Tai Construction Company" is formed. Its main focus is to supply and install locally made roller shutters.
- Chung Tai is included in the approved list of suppliers of materials and specialist contractors regarding roller shutters for public works by the Government Secretariat Lands and Works.
- The company name changes to "Chung Tai Roller Shutters", reflecting the specialist nature of the company.
- Quality products endorsed by the Hong Kong Q-Mark Council.
- Submits a specimen of Vertical Sliding Roller Shutter in a fire test satisfying the requirements of BS476: Part22: Clause 8, 1987 and ISO 3008, 1994 for 242 minutes at Warrington Fire Research, Cheshire, UK.
- Chung Tai is permitted to manufacture and install fire-rated roller shutters.
1998
- Chung Tai becomes a ISO 9001: 1994 certified company and recognised as such by HKQAA.
- Develops "Superfine" Polycarbonate Transparent Roller Shutter and is patent filed in China, Hong Kong, Singapore and Malaysia.
- Submits a specimen of Laterally Sliding Roller Shutter in a fire test satisfying the requirements of BS476: Part 22: Clause 8, 1987 and ISO 3008, 1994 for 242 minutes.
2000
- Submits a specimen of Horizontally Sliding Roller Shutter in a fire test satisfying the requirement of BS476: Part 22: Clause 8, 1987 and ISO 3008, 1994 for 242 minutes.
- Submits a Specimen of Fire Rated Steel Doorset in a fire test satisfies the requirement of BS476: Part 22: Clause 7 and Clause 8, 1987 and ISO 3008, 1984 for 240 minutes integrity and 1/2 hour insulation.
- Chung Tai develops a new polycarbonate shutter, "Clearseal" Polycarbonate Transparent Roller Shutter, which is filed to the Hong Kong Intellectual Property Department for a Short-term patent and to the State Intellectual Property Office of P.R.C. for a standard patent.
- Submits specimens of two uninsulated single leaf doorsets with vision panels and louvers in a fire test satisfying the requirements of BS476: Part 22: Clause 8, 1987 for 240 minutes integrity.
- A fire-rated air louver is assessed by BRANZ to be installed on concrete or masonry walls.
