低温闸阀适用于甲烷、液态天然气、已烯、二氧化碳、液氨、液氧、液氮、液氢等低温介质
国标法兰闸阀
国标不锈钢闸阀
软密封闸阀
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