亚洲第一综合天堂另类专,又黄又爽又色的视频,色婷婷久久综合丁香五月狠狠,亚洲AV无码国产一区二区

After more than 20 years of development, our company has become a product design, research and development, production, sales, construction, service as one of the leading enterprises in the refractory industry in eastern Hebei. The company has established a long-term cooperative relationship with Wuhan University of Science and Technology, North China University of Technology and Tangshan College to jointly develop new products. The annual production of steel-making refractories, iron-making refractories, industrial furnace refractories 20 categories and more than 80 varieties of a total of 150,000 tons, annual sales revenue of more than 600 million yuan. In 2006, it took the lead in passing the "three in one" (quality, environment, occupational health and safety) international standard certification.

Steelmaking system

應(yīng)用領(lǐng)域

Ironmaking system

應(yīng)用領(lǐng)域

Industrial furnace system

應(yīng)用領(lǐng)域

Other products

其他產(chǎn)品

 E-mail:info@ts-tn.cn

冀ICP備05015860號-1  

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Copyright ? http://www.szsemitech.com/en/ 唐山市國亮特殊耐火材料有限公司 Specializing in Custom made refractories,Hebei refractories manufacturer,Construction of refractory materials in Hebei ,Welcome to inquire!

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0315-3384573

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