[February 1990] Yuhuan County Nanfang Machinery Factory, the predecessor of Sanmu Enterprise Group, was founded, with Lin Xiasen as the factory director and general manager.
■ [November 1993] Yuhuan County Nanfang Machinery Factory changed its name to Zhejiang Sanmu Science and Education Industrial Co., Ltd. and officially entered the stationery production industry.
■ [March 1995] Zhejiang Sanmu Science and Education Industrial Co., Ltd. was renamed Zhejiang Sanmu Industrial Co., Ltd., and the registered capital was expanded to 18 million yuan.
■ [October 1995] The first Sanmu brand trademark (pattern and text) was successfully registered in the Trademark Office of the State Administration for Industry and Commerce.
■ [January 1999] Sanmu brand won the title of famous trademark of Zhejiang Province for the first time.
■ [October 1999] Zhejiang Sanmu Industrial Co., Ltd. was the first to pass ISO9000 quality management system certification and has maintained normal operation to this day.
■ [September 2001] Shanghai Sanmu Industrial Co., Ltd. was established. Sanmu has a R&D and marketing center at the forefront of economic globalization.
■ [November 2001] Zhejiang Sanmu Industrial Co., Ltd. won the title of China's top ten stationery brand enterprises for the first time.
■ [December 2002] "Sanmu Newspaper" was founded and published internally.
■ [May 2003] Zhejiang Sanmu Group Co., Ltd. was announced and the construction of a new factory covering an area of ??130 acres was grandly started.
■ [April 2004] Jiangxi Sanmu Manufacturing Co., Ltd. was born. The first phase of the new factory was laid and built at the same time, and trial production was put into operation at the end of the same year.
■ [May 2004] With the approval of the State Administration for Industry and Commerce, Zhejiang Sanmu Group Co., Ltd. changed its name to Sanmu Holding Group Co., Ltd.
■ [July 2004] The first phase of Sanmu's new factory was completed and put into use. Sanmu products have a more modern-scale professional production base.
■ [October 2004] "Sanmu" was rated as a "well-known brand in China's student supplies industry" by the China Culture and Sports Association.
■ [January 2005] Sanmu Holding Group was awarded the title of "Well-known Trader in Zhejiang Province" by the Zhejiang Provincial Administration for Industry and Commerce for the first time.
■ [March 2005] PP products produced by Jiangxi Sanmu Manufacturing Co., Ltd. were officially launched and are available across the country.
■ [September 2005] More than 200 Miki dealer representatives from all over the country took a night cruise on the Huangpu River on the "Rose Princess" cruise ship to express their love for Miki.
■ [December 2005] After approval by the State Administration of Quality and Technical Supervision, Sanmu brand pencil sharpeners, staplers, etc. are national inspection-free products.
■ [Since May 2006] Sanmu paper shredders have passed UL, CE, and GS certifications, creating favorable conditions for exporting products to European and American markets.
■ [August 2006] Sanmu Holding Group completed the SA8000 factory inspection for the first time.
■ [October 2006] The National Dealer Conference of Sanmu Holding Group was grandly held for the first time in the Zhejiang factory.
■ [November 2006] The ERP project of Sanmu Holding Group was officially launched.
■ [December 2006] Shanghai Sanmu was recommended as a patent cultivation enterprise in Shanghai and received material rewards from the municipal government.
■ [February 2007] The enterprises affiliated to Sanmu Holding Group passed ISO14000 environmental quality certification and obtained the certificate.
■ [May 2007] Mr. Lin Xiasen, chairman of Sanmu Holding Group, was elected as the vice chairman at the first meeting of the sixth council of the China Cultural and Sports Association.
■ [March 2008] The famous Italian brand Georgia furniture store opened in Shanghai, as the general agent of Shanghai Miki China.
■ [June 2008] The Miki trademark was judicially determined to be a "well-known trademark in China".
■ [March 2009] Sanmu SD9510 high-efficiency intelligent paper shredder won the third prize certificate of Science and Technology Progress Award from China Light Industry Federation.