China's Shanxi, Shandong, Xinjiang, Inner Mongolia, Guangdong and other provinces have amethyst output, and there are more provinces producing colorless crystals, but the most famous crystal-producing places are two, one is the East China Sea in Jiangsu Province. The county is the other one in Yangjiaoling, Hainan Province.
.jpg)
(1) Yangjiaoling, Hainan Province: In the range of only 0.2km2 and depth of 150m, it produces nearly 100 tons of piezoelectric crystal and more than 2000t of smelting crystal. It is regarded as the most concentrated mining area of ​​high quality crystal in the world.
(2) Donghai County, Jiangsu Province, produced a Chinese “Crystal King†with a factory of 1.7m, a short diameter of 1.2m and a weight of 3.5t in 1958. In 1973 and 1983, it again produced 1-3t of weight. The huge crystal is known as the "home of crystal". According to the proven range of hundreds of square kilometers, crystal reserves are several million tons. In the past 20 years, the annual crystal purchases in Donghai County accounted for about half of the national purchases. Crystal 棺, like Chairman Mao Zedong, chose high-quality natural Donghai crystal as the raw material. The largest piece of crystal is also from Donghai County, Lianyungang.
Fire Retardant Non Woven Fabrics
Non Woven Material,Fire Non Woven Fabrics,Fire Retardant Non Woven Fabrics,Fire Retardant Commercial Fabrics
Yizheng fengyisheng nonwoven co., ltd. , https://www.fys-nonwoven.com