Yicai Global: Leading Chinese cobalt supplier Huayou is to build its 2nd joint venture factory in South Korea to ease battery materials export Huayou Cobalt (华友钴业), a leading Chinese cobalt supplier, plans to build another joint venture factory for ternary cathode materials with local partners in South Korea. 3.3w 05-04 20:03 READ MOST 北京多所高校禁用罗马仕充电宝 公司致歉:若有缺陷将依法担责 1.2w 06-15 13:15 POPULAR TAGS 罗马仕 安全 充电宝