衬氟手柄对夹蝶阀
衬氟蜗轮对夹蝶阀
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Contacts:Mr. Liang
Mobile:18911771888
TEL:086-010-87008000
E_mail:18911771888@qq.com
Address:5 / F, Fengwu building, No.1 courtyard, Dajing Dongli, Fengtai District, Beijing