• Shandong Yonja Industry Co., Limited

    Shandong Yonja industry Co., limited has been in the plastic chemicals marketplace for many years. We started as a manufacturing enterprise who dedicated to domestic business. After years of development and practice, company successfully grown up multifunctional enterprise, comprising ...

    Telephone:86-0531-88904850Address:No.292 BeiyuanTianqiao District, Jinan, Shandong, China

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