July 10, 1986, Preparation Office of Yantai Spandex Plant started to work.
1987, the company introduced a 300 ton/year spandex production line from TOYOBO Japan.
October 7, 1987, the construction of Yantai Spandex Plant officially started.
October 9, 1989, the first phase project succeeded in drawing spandex, the first batch of spandex ever produced in China.
November 1990, Yantai Spandex Plant was officially registered as state-owned enterprise.
May 20, 1993, Yantai Spandex Co., Ltd. incorporated.
1998, the capacity reached 2,500 tons per year after a series of technological innovations and expansions being completed for the second, the third, and the fourth phase projects.
May 1999, Research and development of meta-aramid started.
2000-2002, further technological innovations and expansions being completed for the fifth, the sixth, and the seventh phase projects, spandex capacity reaching 10,000 tons per year.
March 20, 2003, Construction of the High-tech Industrial Park,& first phase.
2003-2007, further technological innovations and expansions being completed for the eighth, the ninth, and the tenth phase projects, spandex capacity reaching 22,000 tons per year.
May 18, 2004, first production line of meta-aramid fiber started operation, capacity of 500 tons per year.
June 25, 2008, listed on Shenzhen Stock Exchange.
August 2008, the meta- aramid fiber for garment project was put into production.
Nov. 8, 2008, para-aramid pilot line started operation.
October 2009, construction of para-armid production line of thousand ton capacity started
Nov. 2010, the total capacity of meta-aramid fiber reached 5,000 tons per year.
Nov. 2010, the 5,000-ton project of hygiene spandex was put into production, making the total capacity of spandex up to 30,000 tons per year.
May. 2011, the industrialization of para-aramid with an annual capacity of 1000 ton was put into production, and ranked the “2011 Chemical Technology Prominence Top 10”.
Sep, 2011, the name of the company was changed into “Yantai Tayho Advanced Materials Co., Ltd”. Meanwhile, A stock changed into “Tayho Advanced Material” for short from “Yantai Spandex”
Oct, 2011, the registered trademark of meta-aramid was changed into Tametar®, while the para-aramid as TAPARAN®
At the end of 2011, the annual capacity of Tametar® meta-aramid reached 5600 tons/year.
2012, the first phase project of soft spandex was put into production, making the total capacity of spandex up to 34,000 tons per year.