14#lankao Road, Qingdao, Shandong, China Qingdao Shandong China

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carbon black, alum, zinc oxide, chrome oxide green, calcium carbonate, caustic soda, soda ash, baking soda, phosphoric acid, oxalic acid, formic acid, acetic acid, borax...

B317 No.227 East Dongfeng Street

Weifang Hongyuan Imp. & Exp. Co., Ltd. is one of the leading all-round companies integrating producing, providing and selling, located in Weifang City, Shandong Province, China, the most impor...