In 2002, Guangxi Wuzhou Richeng Forest Chemical Co., Ltd. won the national invention patent of "manufacturer of hydrogenated rosin" (ZL 98115885.4).
Domestic business Tel: 0774-2693681 Overseas business Tel: 0774-2678181Business contact email: wssfc@wssfc.comAddress: no.385, Guangxin Road, Longwei Town, Cangwu County, Wuzhou, Guangxi