To ensure product quality, a number of on-line
inspection equipment have been established to monitor composition analysis,
non-destructive testing, wall thickness measurement, drifting, hydrostatic
testing and other critical elements of the tubes.
In addition to on-line inspection and testing, TPCO has
set up a pipe research institute and four full-time & professional quality
inspection stations which are responsible for the analysis, inspection and
determination of process quality of incoming raw material, physical and chemical
properties of products and technical indexes such as thread parameters to name a
TPCO has established proven quality control systems in
accordance with world-wide standards and are continuously implementing latest
proven systems as they become available. TPCO is an authorized user of API
monogram and is approved to meet the ISO 9001 and ISO 14001 specifications.
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# 302, Houston,
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