1. National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
2. The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China
3. National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
4. Guangdong Huizhou Quality & Measuring Supervision Testing Institute, Huizhou 516003, China
5. Chengdu Boyan Technology Co. Ltd, Chengdu 610041, China