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No. 2-2, Ailang Rd., Taifeng Ind. Area, Xiaolan Town, Zhongshan, Guangdong, China (Mainland)
4 inch heavy duty US style top plate orange PU caster wheels for carts, US $ 2 - 4 / Piece, Guangdong, China, -, -.Source from Zhongshan Dajin Caster Manufacturing Co., Ltd. on Waimaotong.com.