大陆日韩欧美成人_麻豆国产精品一区二区三区_亚洲欧美 ,午夜直播视频网站,一级按摩毛片,裸体柔术18sex╳╳,皇上调教尤物美人h,日韩黄色αα片

CHINESE|ENGLISH
Current Location:Home > Production Equipment > Huaye introduces the latest NITREX nitriding furnaces

Huaye introduces the latest NITREX nitriding furnaces

Huaye introduces the latest NITREX nitriding furnaces

NITEREX nitriding furnace is the top nitriding equipment in the world. It adopts the most advanced nitriding technology. The properties of the nitriding quality are up to the European and American standards. The surface of nitride material structure is fine and exquisite with level 1 vein and level 1 brittleness. The surface hardness of the material is ≥900HV, and the hardness is ≥760HV after surface grinding off 0.20mm.

展開