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Cangzhou Zhong Ya thermal insulation materials Co., Ltd is a professional manufacturer and exporter of heat insulation materials. We have our own R&D center and workshops in Hejian industrial park of Hebei province with a total area of 60,000m2. In 2010, our co***ny achieved ISO9001:2000 international quality system certification . In 2011 we through the SGS, CE and other EU countries certification .In addition, the co***ny was appraised in succession to be Contract Honoring & Credit Keeping Unit of Hebei P...
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