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History
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- 2018
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SJ Materials got fully equipped with the laboratory complying with international standards and ISO 9001:2015 certified.
SJ Materials exported more than 10 million USD of Wax and Bitumen to 40 companies located in 12 different countries.
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- 2017
- SJ Materials founded in March 2017. It invested over 10 Million USD and constructed a state-of-the-art manufacturing facility in Ulsan, Korea, which is fully equipped with the necessary technology to treat, test and package Wax and Bitumen.
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- 2015
- SANGJIE Commercial expanded petrochemical business by exporting Bitumen to the Xian region in China.
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- 1978
- SANGJIE Commercial founded in 1978.