夜夜草天天干激情无码,免费午夜剧场,大香伊人成色综合网,日本成年人黄色网,国产精品久久久久久精品电影,天天干天天玩天天射,成 人 h动 漫在线播放日本

Seamless steel pipe is widely used

發(fā)布時(shí)間:[2018-3-4 16:56:40]    瀏覽量:3172次
　　Seamless steel pipe is divided into many varieties, and it is applied to all kinds of industries. 316 stainless steel pipes are needed. The market demand of them is similar to those of similar steel pipes. It is practical to use: layout and fertilizer equipment, ships, geological drilling, drilling, car axle, kerosene, boiler and other industries carrying fluid.
HomeBrief IntroductionOrganizationLetter Bridge NewsProduct CenterAptitude HonorHuman ResourcesContact Us

Mailbox：taxinqiao@163.com    Website：m.dronehiker.com
Shandong Xinqiao Industrial Co., Ltd.  Copyright         Technical support：Nuodun Network
Headquarters：0538-8151706    Fax：0538-8151704 Address：The new North Road of the steel market of Tai'ant
Branch：0538-5018001      Fax：0538-5018004 Address：Tai'an national Mountain Center