To ensure product quality, a number of on-line inspection equipment has been established to monitor composition analysis, non-destructive testing, measurement, drifting, hydrostatic testing and other critical elements of pipes.

In addition to on-line inspection and testing, TPCO has also set up five full-time & professional quality inspection stations which are responsible for the analysis, inspection and determination of process quality, quality of incoming raw material, physical and chemical properties of products and technical indexes, etc.