Qingjin is the capital of North Hamkyeong Road of the Democratic People's Republic of Korea, the third largest city in North Korea, and also an important industrial city in the northeast of Korea. Qingjin is located at the mouth of Lunchengchuan River in the south of Xianjing North Road, and faces Haijingcheng Bay in Japan in the east. The northeast of Qingjin is Luoxian City, the west is Funing County and Maoshan County, the south is Jingcheng County, and the north is Huining City. Qingjin is the largest iron and steel industry base in North Korea. The air pollution is relatively serious, and the steel production accounts for more than 1/4 of the country. It is known as the "steel city", and the chemical fiber products are famous. There are also shipbuilding, mining machinery, railway, textile and rubber industries in Qingjin. The fishery is developed, with fishing ports and trading ports.Expansion joint supplier Zhongyuan valve fittings is located in East Asia, China, bordering the Pacific Ocean, and the China-Europe train runs through the country. Zhongyuan valve fittings has a designated service team for Chongjin Expansion joint customers, which can provide reliable Expansion joint nuclear power solutions for Chongjin Expansion joint customers!
