Quality Control

100%PMI analysis confirmation for each pipe.

100% eddy current or hydrostatic test.

Quality as a foothold, grasp every detail, and serve customers better.

Through the strict control of BOTONG, the inside and outside surface thickness can be controlled at Ra < 0.8μm.

Strict size inspection, internal and external surface luster uniform, according to the specification and the requirements of BOTONG finished products, double gauge control.

Hydrosatic Test

Mechanical Properties Test

PMI Test

Roughness Ra≤0.3um

Visual Inspection

Cleaning

Strict Size Inspection