On the morning of June 18, 2023, the organizer brought domestic and foreign representatives visited the blackmass and hydromet factory of Jiangxi Ruilong Technology located in Longnan, Jiangxi
在线咨询:
邮箱: alleny@gdmmc.org；yuyongpeng@gdmmc.org
工作时间：工作日早9:00到17:00
