Kanworldwide And AssociatesKanworldwide and associates is a uk based company, with very strong trade links in west Africa.  Our main aim to forge long term buyers of products we are able obtain through sourcing from  We small company which enables us focus on the clients have intend work future. We professional, thorough driven ....Address:willington road, london, united kingdom, UKProduct/Service:copper ore, raw rubber, coltan,,copper ore, raw rubber, coltan,Heba Group Investmentwe have two locatons in usa, anad nicaragua, we are a prodressive business people, easy to work and negotiate all ours products , because our goal is cloese the business..Address:2520 tortosa ave., rowland heights, california, USAProduct/Service:iron ore and coltan ( tantalite ),,iron ore and coltan ( tantalite ),Ralph BuissrethWe can supply 50-120 tons of copper ore. We also have wolframite and coltan. Purchase can be made after inspection of product..Address:10052 Montague st Tampa Florida United StatesProduct/Service:Copper ore, wolframite, coltan,Copper ore, wolframite, coltanExtreme Mining LtdDear principle Buyers We wish to confirm with full legal responsibility, under the penalty of perjury, that we are sellers material mentioned below its Commodity:coltan (Tantalite) being Tantalum Ta5 o5 Quantity:60 MT Quality: 38% at 205 Product specification: Coltan /Tantalum Ta2O5 Granules Purity ....Address:Mayo, Maroua Mayo Maroua CameroonProduct/Service:Tantalite ore coltan,Tantalite ore coltanMarcassa Comercial LtdaAddress:pedro paulo conceicao Qd M Lt 22 814 cs 04, Lauro de freitas, Bahia, BrazilProduct/Service:ore of manganese, copper, tantalite, columbite, coltan, titanium, tantalum, niobium,,ore of manganese, copper, tantalite, columbite, coltan, titanium, tantalum, niobium,