In 2002, it won the national invention patent of "manufacturer of hydrogenated rosin"

Time：2020-08-19

In 2002, Guangxi Wuzhou Richeng Forest Chemical Co., Ltd. won the national invention patent of "manufacturer of hydrogenated rosin" (ZL 98115885.4).

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In 2002, it won the national invention patent of "manufacturer of hydrogenated rosin"