Platinum is not a class of gold (1079.94, 2.55, 0.24%). It is a precious metal that is rarer than gold. Platinum is 35 times more rare than gold. Because the density is very high, the hardness is twice that of gold, so the weight is correspondingly higher. Because platinum is extremely pure and does not fade for a long time, many people choose it as a wedding ring. The most classic is Elvis Presley, who also uses platinum products to show his extravagance and taste. Hong Kong Law: Foot Platinum 990: means that it contains not less than 990 parts of pure platinum. The ornaments are engraved with the words "Pt990", "Platinum Platinum" or "Platinum". Platinum 950: refers to 950 parts of pure platinum, 5% of alloy, often used for inlaid jewelry, the ornament is engraved with the word "Pt950". Platinum 900: refers to 900% pure platinum, 10% is alloy, often used for inlaid jewelry, the ornament is engraved with the word "Pt900". Domestic law: Thousands of Platinum 999: Refers to 999 blunt platinum in a thousandths, with the words "Pt999" or "Thousands of Platinum" printed on the ornaments. Foot Platinum 990: Refers to 990 blunt platinum containing not less than 10,000th of a thousandth. The ornament is engraved with the words "Pt990" or "P. Platinum". Platinum 950: refers to 950 sterling platinum, 5% alloy, often used for inlaid jewelry, engraved with "Pt950" lettering. Platinum 900: refers to 900 blunt platinum, 10% is alloy, often used for inlaid jewelry, the ornament is engraved with the word "Pt900". Will platinum jewelry be scratched? All precious metals are scratched, and platinum is no exception. However, the scratch on the surface of platinum is nothing more than a displacement of the metal without any loss of weight. Platinum will show a natural luster over time, and it has been found to be as bright as it has just been polished. Embroidery is a general term for various decorative patterns embroidered on fabrics by needle and thread. Embroidery is divided into silk embroidery and feather embroidery. It is a kind of decorative fabric that uses a needle to puncture silk thread or other fibers and yarns with certain patterns and colors on the embroidered materials, and then forms the decorative pattern with the embroidery trace. It is the art of adding human design and production to any fabric that exists with needles and threads. Embroidery is one of the traditional Chinese folk crafts, which has a history of at least two or three thousand years in China. Chinese embroidery mainly includes Suzhou embroidery, Hunan embroidery, Shu embroidery and Guangdong embroidery. Embroidery techniques include: wrong needle embroidery, random needle embroidery, net embroidery, all over embroidery, lock silk, nasi, Najin, Pingjin, Yingjin, Panjin, fluting, scraping, poking, sprinkling, cross stitch, etc. the main uses of embroidery include life and art decoration, such as clothing, bedding, tablecloth, stage, art decoration. Iron On Embroidery Letters,Iron On Embroidery,Iron On Embroidere,Embroidered Velcro Patches Shenzhen Longxiang embroidery products Co., Ltd , https://www.lxembroidery.com