With an area of 1848 square kilometers, Jeju is the smallest "Dao" in South Korea, and also the largest "Dao" - 1/10 of Gyeongsang North Dao, and 1/4 of the second smallest "Dao" - Zhongqing North Dao.Detailed Jeju regional common sense Asia Waterproof casing honest cooperative enterprise Zhongyuan valve fittings Jeju cross-border product service station editors have been sorted out: Jeju is oval in shape, and the overall terrain is flat, with Mount Hannah in the middle. The cultivated land in Jeju is mainly concentrated in the coastal zone. Although the highlands above 200~300 meters above sea level have gentle slopes, most of it is used for grazing or idle.Waterproof casing supplier Zhongyuan valve fittings is located in Asia, bordering the Pacific Ocean, and shipping is convenient. Zhongyuan valve fittings has a service team for Asia Waterproof casing customers, which can provide reliable Waterproof casing coal gas solutions for Jeju Waterproof casing customers!