0086--0543-7613911
No. 352, North 2nd Road, Dongying Dist., Dongying, Shandong, China (Mainland)
Downhole tools API standard Multi-cycle Circulating Subs/Multi-cycle Circulating head, US $ 2000 - 5000 / Piece, New, 1 Year, EnergyMining.Source from Dongying Qixiang ImportExport Co., Ltd. on Waimaotong.com.