







































تولید طلا در سال 2009. برای سالها آفریقای جنوبی کشور پیشرو در تولید طلا بود. ولی به تازگی کشورهایی مانند چین و روسیه و آمریکا و استرالیا به میزان زیادی از آن پیشی گرفتهاند. اگر چه از سطح اوج تولید طلا در آفریقایی جنوبی در سال ۱۹۷۰ فاصله بسیاری دارند. [۱] البته توجه داشته باشید این اعداد برای تولید اولیه است.

















کامل تامین کنندگان و تامین آب کارخانه و تجهیزات چین کامل . Complete water supply equipment Manufacturers, Factory, Suppliers From China, Adhering to your small business principle of mutual positive aspects, we have now won superior popularity among our customers because of our best solutions, excellent products and competitive selling prices We ...







یک پیام ارسال کرد