High Residual Resistivity Ratio (RRR), annealed niobium rod, disk, reactor grade niobium plate Shenzhen Sunrise Metal Industry Co.,Ltd
High Residual Resistivity Ratio (RRR), annealed niobium rod, disk, reactor grade niobium plat e Shenzhen Sunrise Metal Industry Co.,Ltd 0086-0755-27185042 skype :Li.mary9 0086-15919982500 QQ : 1957953030 http://www.sunriseta.com mary@sunriseta.com