Henan Shenlong Petroleum Drilling Tools Co.,Ltd

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Quality control

 factory >> Quality control

Strict quality control is carried out through each process of manufacturing. Shenlong"s laboratory is well equiped with complete insaecting instrument,such as spectrometers instrumentfor chemical compositon test,metallographic microscope for grain size test,tensile strength testing instrument,impactvalue testing instruments for testing at room temperature or temperature of minus 60***,various kinds of ultrasonic instrument for inspection, hardness testing and wall thickness testing. Thus the highest accuracy of quality can be reached through each process of manufacturing. Besides, Shenlong adopts the most advanced instrument for testing relative magnetic permeability of non-magnetic products.

Shenglong aims to deliver the best products with highest quality. Products inspected with detects can never be allowed to enter the marker.


Metallographic Test

Precision Inspection

Non-Destructive Examination

Mechanical Properties Test
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Non-magnetic Drill collar      Drill collar

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