※In 1985, Huzhou No.1 Aluminum Profile Factory was established in Yangxi Town, Huzhou City, nowadays called “YANGXI Factory”, which has been still playing an important role.
 ※In 1999, certified to Fangyuan ISO9000.
 ※In 2000, “BALIDIAN Factory” was established in Balidian Ind. Park, Huzhou City with the area of 100mu (equivalent to 66,700 sqm).
 ※In 2002, DONGLIANG® building aluminum profiles were honored as “National Inspection-exempted Products”.
※In 2002, DONGLIANG® building aluminum profiles were granted “Name Brand” products of Zhejiang Province.
 ※In 2002, DONGLIANG NEW MATERIAL CO., LTD. became the member of Construction Metal Structure Association of China.
 ※In 2002, granted as “National Faithful and Law-abiding Township Enterprise” by Agricultural Department of China.
※In 2003, honored as “Top-10 Aluminum Profile Enterprise in China”.
※In 2004, DONGLIANG Trademark was recognized as Famous Trademark of Zhejiang Province.
 ※In 2004, certified to ISO14000.
 ※In 2005, after scientific design, “ZHILI Factory” was finished in Zhili Town, Huzhou City with the area of 300mu (equivalent to 200,100 sqm), newly equipped with two powder coating plants imported from Italy which stand for the most advanced level in the world.
 ※In 2006, successfully became a Listed Public Company at Shenzhen Stock Exchange with stock number 002082 and also the first public company engaged in the production of aluminum profiles listed in China.
 ※In 2007, DONGLIANG® building aluminum profiles were granted “CHINA TOP BRAND” products.
 ※In 2008, ZHILI Factory II with area 300mu (equivalent to 200,100 sqm) is under construction.