baoan, shenzhen, guangdong, China,518126
Our company management non-ferrous metals and rare foreign trade business longtime. such as tantalum, niobium, molybdenum, tungsten, beryllium copper, electrolytic copper mine etc.,There is close contact with China Aerospace Science Technology ...
non-ferrous metals and rare metals , tantalum, niobium, molybdenum, tungsten, beryllium copper, electrolytic copper, copper mine etc.,