2022
Electric waterproof rolling door won the honor of the 31st Taiwan Excellence Award
2021
The company's capital was increased to NT$80 million.
2018
Produced Taiwan's first self-produced and assembled wind-resistant flexible door.
2016
The electric flood gates and manual flood gates produced by Sanjiu have passed the TUV test PAS1188 standard.
2015
Taichung Wufeng Factory was completed, introducing new equipment such as new molding machines, precision shears and folding machines.
2014
The construction of the new Sanjiu plant was started at the new site in Wufeng, covering an area of 4,300 square meters.
2012
Apply for the fire protection certification 60B for general rolling doors with ejector doors.
Developed and completed the product of aluminum alloy waterproof rolling door, and applied for patents in many countries.
Completed the waterproof gates and various compartment doors, watertight doors, etc.
2010
Completed successively the waterproof gates and fireproof rolling doors of Taipei MRT Xinzhuang Line and Luzhou Line.
2009
The design and manufacture of various waterproof gates, watertight doors and compartment doors have been successively developed (installed in each station of Taipei MRT).
Completed Kaohsiung MRT Lines R and O, a total of 26 stations with electric rolling doors, fireproof rolling doors and waterproof gates (38 stations in total).
2008
Completed the water inlet gate project of the Keelung River Yuanshanzi flood diversion project.
2007
The swing arm type electric water gate and the traverse type electric water gate have been developed successively.
2006
Experienced in building large waterproof gates with a head pressure of 12M and a gate size of 6M × 3.2M (Taipei MRT Fuxing Station).
2005
Completion of high-speed rail Qingpu, Wuri, Yanchao, Zuoying station fire shutter and waterproof gate project.
The electric fire door has passed the CNS 14803 fire protection aging certification of 3 hours.
2002
Completed the renovation of the waterproof gate of the Nali Hurricane Disaster Improvement Project east of Taipei MRT City Hall Station.
2000
The electric fire shutter has passed the CNS 11227 fire protection aging 2 hours certification.
1999
The development of the electric side-rolling fire-proof rolling door was completed, and the side-rolling fire-proof rolling door of the terminal of the first phase of Zhongzheng Airport was contracted.
1998
The capital of the company was changed to NT$28 million.
The company has passed ISO-9001 international quality certification, leading the industry.
1997
The fireproof rolling door has passed the certification of the U.L. fireproof aging of 3 hours.
1994
Completed the development of screw-type electric waterproof gate.
1991
Signed a technical cooperation agreement with Japan's OMATA Rolling Door Co., Ltd.
1990
The door panel forming technology was introduced from Japan, and four sets of automatic forming machines joined the production ranks.
1988
The new factory was completed and moved from Taichung City to the new factory.
1987
Purchased a land of 1,200 square meters in Dali to expand the plant.
1984
The first domestic development of chain-type electric monorail gate.
1983
The company name was changed to Sanjiu Building Materials Industry Co., Ltd.
1982
Established Sanjiu Rolling Door Industry Co., Ltd.