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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).

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