Private companies. Lao Fengxiang Diamond Processing Center is funded by individuals, so it is a private enterprise. Lao Fengxiang is a century-old national brand and a famous jewelry brand in China. A listed company and one of China's top 500 enterprises, Shanghai Laofengxiang Co., Ltd. is the development and evolution of Laofengxiang Silver House, which was founded in 1848. The creativity of its trademark "Laofengxiang" also originated from the name of Laofengxiang Silver House. It is a classic jewelry brand that spans three centuries in China.