we supply rough diamond from africa mainly from angola , we can delivery in the usa anytime looking for serious buyer for long-term

Copper is economically cheaper plating for electrical conditioning. It also a base coat Gold, Silver, Tin and other metals since it has good properties of adherence, cushioning conduction. For decorative purposes, clear lacquer applied over the copper to protect from tarnishing. ...

Company Carlos and Osvaldo Engenharia e Consultoria, recently company in oil and gs field, is especialized in calibration of equipment in oil and gs sector as well. Meantime we are also in crude market, selling regards.

we are looking for a company that buy raw gold nugets.we are in Angola and we have for sale 20 to 25 kgs each month.We are also starting the diamonds mines.If you are interested in buying raw gold nugets, please contact u