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Soil and Sandstone Core Barrel (PQ size)

In Inner Mongolia area of China, the ground formation is always very soft and abrasive and contains a mixture of sandstone and soil.

It makes core recovery very difficult to use standard core barrels PQ. To solve this problem, JINSHI specially designed this

PQ size (JS122) core barrel. Its unique twin latch head assembly helps to stabilize the core barrel and improve the core recovery rate

by 30% compared with PQ sysytem.