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Fengjialing Village, Huangdao Dist., Qingdao, Shandong, China (Mainland)
Wide Range Uses Flat Free Wheel 3.50-4, US $ 2.5 - 5.5 / Piece, Shandong, China, STM, 3.50-4.Source from Qingdao Xinhaishengtang Metal Manufacturing Co., Ltd. on Waimaotong.com.