Nice to meet you .My name is Mandy Wu
We are a bearing manufacturer from China ,and our main produce it Taper roller bearing .They are main use for Auto Spare parts ,Gearbox ,Trucks ,Agricultural Machinery ETC .Inch Taper roller bearing and Standard Taper roller bearing ,If you are need black chamfer ,we can do it best .

If you have interesting ,Pls contact me,I will try my all best for you .Thanks a lo .