Rahman Co Int

Company Description

Cooked is raw gold after smelting and refining of gold, the generally high purity, density is small, some can be directly applied to industrial production. Common with gold bars, gold bullion, gold bullion and various accessories, ware, gold and industrial use of gold, gold, gold plate, etc. Due to different purposes, the colRahman Co Int is different, or because they had no purification equipment, and purification of fusion not only, or mention the purity is not enough, form the gold looks different. People's habits according to the colour of the gold is divided into pure gold, red gold, 3 kinds of color of gold. After purification achieve quite high purity gold as pure gold, assaying the fineness of gold generally refers to achieve 99.6% above, of pure gold.



Pure gold and pure phase close to, but because of the different time and place, pure gold standard is different, the international market to sell gold, colour is 99.6% pure gold. And in red gold generally between 99.2% and 99.6%.



Color gold, also known as the "gold", "gold", refers to the gold looks very low. These gold due to other metal content, high colour was 99%, and the low of only 30%.



According to contain a different division of other metals, rare gold can be divided into clear color, mixed color, gold, k gold, etc. Only in clear color symbolically gold mixed with silver composition, no matter the colour generally referred to as the clear color gold. Clear color gold, more common in gold bars, gold bullion and gold jewellery, gold bullion, and various kinds of vessels.