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Otrino Steel Group was founded in the last century 80's, are from Shanghai Ci Dong Alloy Materials Co., Ltd., Shanghai Special Steel Co., Ltd. and Zhangjiagang Ci Dong Special Alloy Materials Co., Ltd.Ci Dong composition. The technical backbone of the main Ci Dong former Shanghai Institute of Steel and the Steel Co***ny 5 the original high-, intermediate technical staff. At present, customers have been around at home and abroad Ci Dong petroleum, chemical, aviation, machinery, vessels, valves, food, electri...
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