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Room 301, 3/F, Unit N, Block C4, Luguyuyuan, No. 27, Wenxuan Road, Lugu, High-Tech Development Zone, Changsha, Hunan, China (Mainland)
Ruler Well Water Level Meter with Sounder, US $ 199 - 390 / Piece, Hunan, China, Holykell, HLM level indicator.Source from Holykell Technology Company Limited on Waimaotong.com.