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DONGCHENG IRON & STEEL MATERIALS CO.,LTD
Reliable and reputable manufacturer of calcined petroleum coke for steel making, chemistry, precision cast industry more than 20 years . Our firm noble customers and end users are spread throughtout Asia, Europe, America , Middle East etc. With advanced testing analysis equipments ...
Telephone：86-159-81916300Address：103, Treasure Centre, 42 hung to road, Kwun Tong, Hong Kong
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