zhonghe plaza Zhengzhou Henan ***, zhonghe plaza

Our products are mainly recognized for accuracy and precision, thanks to skilled professionals and lab experts at our production facility situated in Zhengzhou, Henan, China. The reason Hongyuan Of De...

NO.1, Tongda Road, Pingdu Hi-Tech Park  Qingdao, Shandong

Qingdao NPA Industry Co. Ltd. is engaged in production of high temperature alloy centrifugal casting tube and precision casting parts. We mainly produce cracking furnace tube and reforming furnace tub...