Diamond factory expands to meet export demand
2025-02-09 18:02:13
By Ma Yuhan, Yichang Three Gorges International Communication Studio
Yichang’s Zhongjing Diamond Co., Ltd. has recently invested over 4 million yuan (US$548,000) in technological upgrades, boosting its production capacity by 30 percent to meet rising global demand.
Founded in January 2018 in Yiling District, the company specializes in research and development, production, sales and service of lab-grown diamonds. The state-owned company is one of a handful of manufacturers in China that can stably mass-produce 0.5-6.0 carat colorless lab-grown diamonds.
The company began exporting to overseas markets in July 2023, including India, South Korea, Germany and Mexico. Due to rising demands, their roughly 300 sets of cubic press machines operated non-stop through this year’s Spring Festival.
Yichang’s Zhongjing Diamond Co., Ltd. has recently invested over 4 million yuan (US$548,000) in technological upgrades, boosting its production capacity by 30 percent to meet rising global demand.
Founded in January 2018 in Yiling District, the company specializes in research and development, production, sales and service of lab-grown diamonds. The state-owned company is one of a handful of manufacturers in China that can stably mass-produce 0.5-6.0 carat colorless lab-grown diamonds.
The company began exporting to overseas markets in July 2023, including India, South Korea, Germany and Mexico. Due to rising demands, their roughly 300 sets of cubic press machines operated non-stop through this year’s Spring Festival.
Synthesized diamond furnaces inside Zhongjing Diamond Co., Ltd."While natural diamonds take millions of years to form deep in the Earth, lab-grown diamonds can be produced within just seven days,” said Wang Hongjun, director of Zhongjing Diamond’s factory workshop. “With our machines running at full capacity, we can produce over 40,000 carats of lab-grown diamonds each month. More than 80 percent of our products are exported.”
A worker holds a raw material “cube” before placing it into the furnace.
To produce diamonds, workers place graphite-based “cubes” into high-pressure furnaces where temperatures reach 1,300-1,800 degrees Celsius and pressures hit 5 GPa, simulating the Earth’s natural diamond-forming conditions.
