What is gold in heaven?

The gold in the sky is a gold coin. According to relevant data, Tianjinjin is a project of Henan Coin Co., Ltd. ... Tianjinjin, established in 1993, is the first batch of licensed retailers of China Gold Coin Corporation, the only licensed retail demonstration store of China Gold Coin in Henan, the special dealer of China Gold Group Marketing Co., Ltd., the special dealer of Beijing Kangyinge Coin Co., Ltd., Shanghai Mint and Shenyang Mint, and the first-level institution designated by Shanghai Gold Coin Investment Co., Ltd. to invest in Henan Gold Coin sales and recycling.