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Congratulations to our company for the ISO9001:2015 quality management system certification
Date:2017-12-06 10:04:18 Source: Browsing times:
The coverage of quality management system certification is: plastic pipes for underground communication pipelines, modified polypropylene plastic cable conduits, Polyethylene double wall corrugated pipes, PE pipes for water supply, production and sales of ground heating pipes and plastic pipes.
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