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Building 2, Bldg. 2, Lanchuang Park, Shuidun Village, Jianqiao Town, Jianggan Dist., Hangzhou, Zhejiang, China (Mainland)
Hot selling invisible ink pen CH-6004 UV permanent marker pen, US $ 0.05 - 0.3 / Piece, Marker Pen, OEM, CH-6004.Source from Hangzhou Rainbow Stationery Factory on Waimaotong.com.