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professional steel supplier & service integration.. ju feng special steel co., ltd. (jfs) was originally founded as a construction company 47 years ago, and since 2006 jfs has successfully expanded into the special steel industry, becoming the leading supplier in taiwan of various kinds of special steel bars, steel plates, and steel tubes as wholesaler or retailer. in recent years, ju feng can provide not only material cutting services but also cnc machining services (a complete machining process from raw material to semi-finished or finished product) for our customers around the world.