Zhong Guanglin, then secretary of Xinjin County Party Committee and State Councilor and Director of the State Science and Technology Commission , inspected and visited Yuxin Fine Seed Factory, the largest quail breeding base in China.

The four Liu brothers sell their family property to raise 1,000 RMB and start a business.

Liu Yongyan successfully developed "BCD CNC programming software", which became the mainstream software in the field of CNC programming.