Give me an introduction over 200 words for shandong jingkun chemical co.,ltd, a chemical company in No.18, Chaoyang Road, Zhangdian District, Zibo City,Shandong,China (Mainland) County,Shandong,China Please reply with exactly 3 paragraphs and separate each paragraph with two new lines. The very last paragraph must start with the word "action".
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