• 2000 

   The company was launched.

• 2001

   The company received an export and import license from the Ministry of Commerce, making itself among the first batch Beijing-based private businesses in the wake of the liberalization of the right to engage in export and import trade.

• 2002

   Its sales exceeded 100 million yuan.

• 2004

   With its own investment, the company created a hi-tech firm-Beijing Zhongyuan Lead Tech Ltd.

• 2005

   The company became an import agent for virus strains used by flu vaccine producers across the nation.

• 2006

   The company acquired Beijing Oriental Reagent Science & Technology Co., Ltd.

• 2007

   The company was named a “gazelle enterprise” at Zhongguancun Science Park.

• 2008

   The company obtained ISO9001 quality system certification.
   The company was rated by the customs authorities as a Class-A exporter.

• 2009

   The company’s Tianjin branch was set up.
   With its own investment, the company launched LEE (BEIJING) INTERNATIONAL LOGISTICS LTD. in the bonded area at Beijing Capital International Airport.

• 2010

   The company’s Shanghai branch was set up.
   The company was rated by the customs authorities as a Class-AA exporter.

• 2012

   Zhongyuan has been rated as a corporate taxpayer with Class-A reputation.

• 2013

   Zhongyuan has acquired Guangzhou Biorule Biotech Co., Ltd. which became Zhongyuan’s Guangzhou Branch.
   Zhongyuan has entered into a strategic partnership with China National Biotech Group Company Ltd. (CNBG)

• 2014

   SAP ERP successfully launched.

• 2015

   It became a Customs AEO Advanced Certification Enterprise.

• 2016

   Shenyang Branch was established.
   It was included in the first batch of wider opening-up pilot enterprises in Beijing's service industry and was interviewed by CCTV.
   Strategic cooperation with Beijing Tianzhu Comprehensive Insurance District Management Committee.
   Listed as China Quality and Integrity Enterprise by Entry-Exit Inspection and Quarantine Association.

• 2017

   It established the Biotechnology Process Research Institute at the Beijing Institute of Biotechnology Industry Platform.
   It established its subsidiary company—Biolink Supply Chain (Beijing)  Ltd. to provide complete and efficient import, storage and logistics services.

• 2018

   Received the Beijing Customs "Decision on Continuing the Application of Advanced Certification Management" and obtained the Customs AEO Senior Certification again.