large dia DTH drill pipe
Information
large dia DTH drill pipe
¦Õ420, ¦Õ508, ¦Õ720, ¦Õ920, ¦Õ1020, ¦Õ1120¡£
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large dia DTH drill pipe
¦Õ420, ¦Õ508, ¦Õ720, ¦Õ920, ¦Õ1020, ¦Õ1120¡£
Add:NO.214 majiadian industry park baodi district tianjin china 86-22-58656461 Cell:008615222875497(for call) Cell:008618902059907(whatsapp) |
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