1996: Roving Furnace was put into operation

1998: Roving Weaving project was put into operation.

2001: Invested 8 million yuan to expand the producing scale, increased producing capability.

2002: Bought new estate for new building.

2003: Established subsidiaries corporation: Changshu Dongyu Insulated Compound Materials Co., Ltd.

2004: Chopped Strand Mat Machine put into operation

2007: Invested more than 30 million yuan to new machines, increased the producing capability.

2009: Dongyu was listed as one of the major enterprises by Changshu Government.

2010: Dongyu Fiberglass built new office building, expanded the producing scale.

2011: Dongyu Fiberglass invested a new building for research and technology development.

2012: Dongyu had its own subsidiaries company: Changshu Sany Textile Co.,Ltd

2013: Started the carbon fiber project.

2014: Established subsidiaries corporation: Changshu Dongha International.

2016: Established subsidiaries corporation: Dongyu FRP Factory.

2017: Established Polyester Resin Impregnated Fiberglass Web Banding Tape factory.

2019: Established Fiberglass Yarn Production line.

2021: Established Combo Mats and RTM Mats production line.