青云翻译

Mainly engaged in coal, coke, coal chemicals, metal chemicals, coking equipment, materials procurement and export sales and technical consulting services.

Mainly engaged in the chemicals, metals and chemicals, coal, coke, coal coke sales and procurement of equipment, building materials, export and technical advisory services.

Mainly is engaged in services and so on coal, coke, coal chemical industry, hardware chemical industry, coking equipment, building materials purchase sale and import and export and technical advisory work.

Mainly engaged in coal, coke, coal and chemical industry, and 5 gold chemical, coking equipment, construction materials for purchase and sales, import and export business and technical advisory services.

Mainly engaged in the chemicals, metals and chemicals, coal, coke, coal coke sales and procurement of equipment, building materials, export and technical advisory services.