HeNan JunSheng Vuurvaste materialen Limited Adres 704RM, BLK-B, 3#, Yuhongshijiegang Shangye BLG, Hangkonggang Zhengzhou, Henan, China E-mail tingting.xu@js-refractories.com Telefoon +86 18703897021 +86 037155677021 Fax +86 037166726659