Bauxite, also known as bauxite or bauxite, is mainly composed of alumina, a hydrated alumina containing impurities, and is a kind of earthy mineral.

Nickel ore

Nickel, a hard ductile ferromagnetic metallic element similar to silver, is highly polished and corrosion resistant.

Iron ore

Iron ore is an important raw material for iron and steel production enterprises. Natural ore (iron ore) is gradually selected by crushing, grinding, magnetic separation, flotation, gravity separation and other procedures.

About Us



DELONG YUNTONG INTERNATIONAL TRADING (BEIJING) CO., Ltd. was established on April 19, 2005. It invested 50 million yuan in gold and mainly engaged in international and domestic...

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Business philosophy of the company

Active, professional, efficient, closed-loop.

Team Building

Team description

Han Tao


Han Tao


Han Tao