Chengmai

Chengmai County is an administrative district in Hainan, China. It is one of 4 counties of Hainan. In 2002, its populace changed into 490,800. The first file of Chengmai County is in a hundred and ten BC, while it referred to as Guo County in considered one of Emperor Wu of Han's records. The county acquired its present day call beneath the Sui Dynasty reorganisation of 607. It become additionally recorded at some stage in the Ming Dynasty. The main industry is mining, with more than ten assets to be had within the county together with quartz, stone, limestone, crystals, gold, silver, peat, zinc, aluminium, iron ore, kaolin, and manganese.

Over five billion tonnes of quartz are still unmined in the county, with an average grade of 99.5% silicon. There are also nearly 11 million tonnes of limestone ultimate further to crystal deposits 5.5 km lengthy and 3 km wide and round 80,000,000 tonnes of kaolin Fishing additionally makes up a massive element, with the county owning 89.8 km of coastline. Apart from farm fishing, marine catches include mackerel, redfish, croaker fish, grouper, pomfret, tuna, squid, cuttlefish, lobster and shrimp, are fished inside the harbour at Tu Beach. The ious and populous fish are a end result of a nutrient-wealthy sediment at the lowest of the harbor.