• 1988 Established Yuhuan Air Separation Machinery Factory (predecessor).

• 1993 Successfully developed brake discs.

• 1995 Established Zhejiang Longzhong Company after industrial integration

• 1998 Successfully developed floating discs.

• 2007 Drafted the industry standard "Brake Discs for Motorcycles and Mopeds".

• 2010 Entered Honda's global procurement C8G3 system.

• 2012 Relocated to a new factory area with a planned annual production capacity of 10 million brake discs, developed specialized equipment such as horizontal double end grinding machines.

• 2014 Developed specialized equipment such as automated heat treatment lines and achieved a production and sales volume of over 5 million brake discs.

• 2018 Starting the construction of MES system, realizing the digital and intelligent interconnection construction of ERPMESWMS, realizing the application of AGV in finished product intelligent warehouse, and breaking through 8 million brake disc production and sales.

• 2022 Draft Zhejiang Manufacturing Standard for Motorcycle and Light Motorcycle Brake Discs

• 2023  Longzhong has become the leading nationwide professional brake disc manufacturer in the country in terms of production and sales, and a new plant with a construction surface of 58,800 square meters and an investment of 202 million has been put into use.