75%。 Zhongfu Hengtai Gold Jewelry Co., Ltd. is a collection of gold, jewelry, jewelry product design and processing; Jinyu Mine is a comprehensive gold jewelry enterprise integrating development and smelting, production and sales, product custody and investment management. The gold content of company gold 18K is 18/24=75.0%. Because the gold content of 18K is 75.0%, it is also called 750. Zhongfu Hengtai Gold Jewelry Co., Ltd. is registered by the State Administration for Industry and Commerce, and has an offline entity and an online Internet buying and selling platform integrating retail, wholesale, warehousing and custody of gold jewelry products.