What is the difference between Qianjinjin and Wanjujin? The following will introduce you to thousands of gold and 10,000 gold, I believe you will have your own opinions after reading: Thousands of gold is the purity of 99.9%, and the purity of gold is 99.99%. The purity of Wanjinjin is higher! Thousands of gold The purity of gold products is called "cheng" or "color" For more than 200 years BC, the Greek mathematician Archimedes had made a fuss about judging whether a crown was made of pure gold. When he took a bath in the tub, he discovered what was later called "Archimeder weight." "The law: an object immersed in a liquid is subjected to upward buoyancy; the size of the buoyancy is equal to the weight of the liquid it is discharged from. It thus satisfactorily confirms whether the crown made by the king is made of pure gold. So how is the purity of gold expressed? In theory, we refer to the 100% gold as 24K; so the calculation method is 100/24 ​​(the national standard in brackets): the national standard GB11887-89, every k (English carat, German karat abbreviation, often written "k") gold content is 4.166666%, 9k=100/24*9=37.5% (375‰) 14k=100/24*14=58.333%(585‰) For the convenience of identification, set it at 58.5% 18k=100/24*18=75%(750‰) 22k=100/24*22=91.666666%(916‰) For the convenience of identification, set it at 91.6% In theory, 100% of gold can be called 24K gold, but in reality it is impossible to have 100% gold, so China stipulates that gold with a content of more than 99.6% (including 99.6%) can be called 24K gold. These kinds of K gold content are the general specifications of jewelry, and the national gold jewelry below 9K cannot be called gold jewelry. Thousands of gold: The gold content is not less than 999, which is called the thousand-foot gold. It is the highest value in the naming of the jewelry. The mark is thousands of gold, 999 gold, gold999 or g999. Full gold: the gold content is not less than 990. For "foot gold", "990 gold", "gold990" or "g990". To purchase gold jewellery, we must first recognize the quality inspection mark of gold jewellery. Most of the gold jewellery sold on the market is equipped with the inspection mark of the quality inspection organization. The mark clearly indicates the gold content and weight of the jewellery. The 999 gold is also called the thousand gold. The content is not less than 999 ‰; 990 gold is called gold, the gold content is not less than 990 ‰; the gold content of 22K gold is not less than 916 ‰; the gold content of 18K gold is not less than 750 ‰; the gold content of 14K gold is not low At 585‰; the gold content of 9K gold is not less than 375‰. Full gold To clarify the concept of the full gold, first understand the definition of gold jewelry in the national standard formulated in 2002. The national standard GB11887 "Regulations and naming methods for the purity of precious metals in jewelry" clearly stipulates: "24K theoretical purity is 100%". In other words It is said that "24K" goods do not exist in actual life. It is only a theoretical value. According to the definition of national standard, gold is divided into the following types. The minimum values ​​of purity and fraction are expressed as 375, 585, 750, 916, 990, and 999. The corresponding purity is represented by: 9K, 14K, 18K, 22K, and gold. For the jewellery, the national standard is only defined to thousands of gold. At present, the Chinese market has a solid gold color: "three nine gold", the color is 99.9%, commonly known as thousands of gold; "two nine gold", the color is 99%, Commonly known as full gold. According to the Q/CLSS001-2007 enterprise standard, we have called the content of 99.99%, and we have filed it. We have used the "9999 Gold Fusion Process" advanced technology to produce the highest quality of 99.99%. The gold is more pure than the thousand gold, and the 10,000 gold exceeds the national jewellery standard. It not only guarantees 99.99% of the product quality, but also 100% ensures the overall unification of the quality of the gold jewellery, and solves the industry with low quality of gold jewellery solder joints for many years. The problem satisfies the consumer's pursuit of perfection, the pursuit of true to pure consumer demand. The Wanjin gold series products have been tested by the National Jewelry Quality Supervision and Inspection Center, and the gold color has reached or exceeded 99.99%. The purity of the gold products of the China National Gold Group Zhongyuan Gold Smelter is up to 99.999%, which is called high-purity gold. The national standard marks that the quality and quality of China's gold jewelry has reached a new height. (Note: China's and even the world's highest purity gold reaches 6 9 ie 99.9999%, but generally only used as reagents) From the literal meaning, we can understand that: gold is a gold product with an impurity content of less than or equal to one percent. Thousands of gold is a gold product with an impurity content of less than or equal to one thousandth, and the total gold is less than one impurity. Equal to one ten thousandth of gold products. Identifying the full amount of gold can be from the following points: 1. First of all, you can see from the imprint of jewelry: Every piece of gold jewelry is marked with: "万足金AU9999" 2, from the jewelry wearing label identification: each piece of gold jewelry is equipped with the national gold diamond products quality inspection center minimum color test and "Wanjin 9999" security label 3. Wanjujin is generally authorized to operate, please go to the designated distributor to purchase, and ask the other party to issue an authorized business book. 4, please pay attention to the brand, so as not to lack the content The advantages of 10,000 gold First of all, Wanjinjin is the gold jewelry with higher purity. It is purer than pure gold and pure gold. It uses solderless solder to ensure the content of each node. His value lies in its high purity due to its High-purity technology and craftsmanship, its aesthetic value and collection value naturally emerged. Casual Shoes For Men,Mens Casual Dress Shoes,Mens Black Casual Shoes,Mens Brown Casual Shoes Shangqiu JIAYING SHOES CO.,LTD. , https://www.jiayingshoes.com