Yanshi taixue factory was established and the first production line of direct red began running.
1987
The development and production of direct peach, direct orange, and successfully marketed.
1990
The first sewage treatment system was bulided.
1993
Two OBA production lines began running
1994
Produced Direct yellow G, Direct red 4BS, Direct blue FBL etc. the second sewage treatment system was bulided.
1997
Changed into a joint-stock private enterprise, renamed to yanshi taixue dyes co.,ltd.
2000
Liquid dyes and three direct yellow G production lines began running, and the products quickly moved into the international market.
2004
Investment of 119.70 million RMB, construction of wastewater comprehensive treatment works on the basis of the existing sewage treatment facilities, the basic implementation of zero-emission.
2008
Renamed to Luoyang Taixue Dyes CO.,.LTD. Passed the ISO9001:2015 quality management system certification.Three automatic pigment production lines put into production.
2012
Products are certified by German Quality Certified ISEGA CERTIFICATE.
2013
Passed ISO14001:2015 Environmental Management System Certification.
2017
