by 2020, the company has 9 invention patents and 29 scientific research achievements. through years of technology accumulation, the company has formed a fully-fledged r & d management system; including mid-long term strategically schematization, project approval, design and development, feasible evaluation report, pilot test and mid-scale production. the relevant procedures are conducive to the standardization of the company's research projects, and be able to rapidly forward the research results to achievements.