2003   Tianjin Green Biosciences Co., Ltd is incorporated in Tianjin Economic-Technological Development Area and starts operating as the research platform.        

 2005   GreenBio successfully constructs the engineering strain of producing PHA, acquires samples of pilot scale tests and is supported by the Innovation Fund for Small Technology-based Firms of Ministry of Science & Technology.       

 2006   Test report from China National Centre for Quality Supervision & Test of Plastics Products show that PHA have excellent biodegradable and mechanical property. GreenBio obtained financial aid from Tianjin Science and Technology Commission.             

 2008   GreenBio obtains the investment of totally $20 million from 7 investment companies, including China Environment Fund, China Renaissance Capital Investment, DSM Venturing, KPCB, Northern Light Venture Capital, etc.       

 2008   GreenBio establishes the 10,000 tons PHA industrialization production platform—Tianjin GreenBio Materials Co., Ltd. GreenBio obtained financial aid from Tianjin Development and Reform Commission.         

 2009   GreenBio successfully develops pellets for blown film, which is similar to PE film in performance. This kind of pellets can be processed into food packaging bags, shopping bags, garbage bags, agricultural films and shrinkable films.        

 2009   GreenBio successfully develops foam pellets which can be magnified more than 20 times in foaming ratio. These foam pellets can be made into full-degradable disposable food-service ware, instead of those made by PS. 

 2009   The 10,000 tons PHA plant starts operation.