... , Tai'an has become a productions base ofheavy-duty machinery, automobile spare parts, fine chemical, inorganic metal, bioengineering and pharmacy, food ... Masterbatch Co., Ltd. Realleader Fitness International Co., Ltd., Taian Otaway Fitness Equipment Co., Ltd., Shandong Songyuan Net Products Co., Ltd., Shandong Baolailily Bioengineering Co., Ltd., etc ...