Home        |        Company        |        Products        |        Investor        |      Industry        |        Contact Us
  Patent
  Fertilizer
  Chemical
  Research & Development
  Quality Control
 Products  
, Patent

Our company gives strong focus and active strategy on R&D and technology innovation, and was titled as a Hi-tech Enterprise by Department of Science &Technology of Shandong Province PRC. . In recent years, our company has filed or been granted 10 invention patents, as well as formulated 4 enterprise standards. All those efforts effectively protect our intellectual property.

Granted Patents
 
 
Enterprise standards
Filed Patents
All rights reserved. © Changda International Holdings Inc. 2009 Disclaimer