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2007  founded longkou union chemical company ( LKunion) 

2009  certificated of ISO9001、14001&18001 

2009  “Taihang pigment” was identified as Shandong province well-known brand. 

2010  Expanded the design capacity of pigment to 20,000 tons.

2012  R&D department was recognized as Shandong province technical center 

2013  Obtained  12 patents and drafted 13 national pigment industry products standards.

2016 Drafted 6 national pigment industry products standard.

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