Zhang Yin from nine dragons paper was once the richest woman in China, seeking entrepreneurial experience.

1985 Hong Kong does waste paper recycling trade.

1988 established its own wholly-owned factory in Dongguan, Guangdong.

1990 immigrated to the United States from Hongkong, and Zhang Yin and her husband Liu Mingzhong set up American Zhongnan Co., Ltd. to buy and provide recyclable waste paper for their factory in China.

1996 Invested in Dongguan, Guangdong Province1.1000 million USD to set up a nine dragons paper to produce kraft paper.

1996, zhongnan company ranked fourth in the list of container export consumption of various industries in the United States.

From 65438 to 0997, the United States ranked among the top 500 female enterprises, and Zhongnan Company ranked 95th.

1In July, 1999, nine dragons paper continued to invest1100000 USD to expand the second phase project.

After 2000, it became the king of waste paper recycling in the United States.

In 2002, American Central South Company exported 3 million tons of waste paper from the United States.

In 2003, the wealth was 2.5 billion yuan, ranking 54th among the top 500 American women entrepreneurs and17th in China's rich list.

In 2004, Zhang Yin invested more than 654.38 billion dollars to expand the third phase of the project.

In 2004, the wealth was 3 billion, ranking in the Hurun Rich List 19.

In 2005, the wealth was 65.438+0.5 billion yuan, ranking 36th in Hurun Report.

In March 2006, nine dragons paper ranked 1 on the Hurun Report with 27 billion listed wealth.

In 2007, the wealth was 25 billion, ranking second in the Hurun Report.

In 2008, it experienced the "proposal gate", "sweat gate" and "bankruptcy gate"

In 2009, he topped the Hurun Report with a wealth of 33 billion yuan, ranking second in the Hurun Report.