Tianyu Metallurgical Equipment(Hangzhou) Co.Ltd. is a wholly owned subsidiary of Hebei Tianyu High-Tech Metallurgical Casting Co.,Ltd, all the international business will be handled in the Hangzhou branch. Hebei Tianyu High-Tech Metallurgical Casting Co.,Ltd (TYMCC),A Professional Manufacturer Of Blast Furnace Cooling Equipment For 24 Years. TYMCC is a professional manufacturer of blast furnace cooling equipment. We have the most production and sales volume of cooling staves for B/F in China. Main products are blast furnace cast iron stave cooler, cast steel stave cooler, tuyere & slag (notch) cooler,new type converter mouth.