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media contact
media contact：chaoran lin
contact number：010-82293399-285
email address：[email protected]
exhibition contact： chen zhou
contact number：010-82293399-8003
email address：[email protected]
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博天环境集团
phone：010-82293399
address：floor 12a，shougang international trade tower,no.60 xizhimeng north street,beijing
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