coin jewelry necklace wholesaler
1 thought on “coin jewelry necklace wholesaler Where can I buy water shellfish gold is more reliable?”
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coin jewelry necklace wholesaler
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medical id jewelry wholesale The difference between water shell gold and other gold is its price. The price of water shell gold is based on the international basic gold price of that day. Waterbei is located in Shenzhen, China, and is the wholesale market for the largest gold jewelry in my country. The price of about 20 to 30 yuan on the basis of international gold price is sold on the basis of international gold prices. Water shell gold is mainly wholesale.
The appraisal method of gold
color discerning, gold can be distinguished by color, different golden color of gold is different. When gold appears red yellow or yellow -red Ninety -five gold, while the positive yellow content is generally more than 80 % of the gold content, and the cyan yellow is about 70 %.
sound discerning, gold can be distinguished by sound, and gold will have a dull low sound when tapping and throwing, and the elasticity is small. Dangdang's voice indicates that fake gold.
The hardness identification, gold can be identified through hardness, and the hardness of gold is generally low. Use large head needles or nails to engrave it. Generally, it is fish scales. If there is no, it is fake gold.