Gansu Yuanda New Resources Co., Ltd.(Abbreviated as “Gansu Yuanda†below ) is a leading manufacturer and exporter of graphitized calcined petroleum coke, black silicon carbide, green silicon carbide etc. All employees have resourceful experience in doing international trade, who can provide better sales service except for best products to all foreign customers. The factory name of Gansu Yuanda is Gansu Huazang New Grinding Material Co., Ltd. (Abbreviated as “Gansu Huazang†below ). The annual o
