Dandong Mingheng Trading Co., Ltd. is located in Dandong, China's largest border port. It has been engaged in import and export business for more than 20 years. It mainly deals in the import and export of ferrosilicon, silicon carbide, industrial silicon, tungsten concentrate, molybdenum concentrate, vanadium ore, ferromanganese, ferrochromium, etc. In particular, the annual export volume of ferrosilicon is 20,000 tons.