|
 |
|
Variety
of purchase of
goods and materials
|
 |
Ferromanganese,molybdenum
iron,low aluminium ferrosilicon,abolishing steel(
the general carbon),
electrolytic copper |
| |
|
Spring steel wire( 65Mn.72A),steel
strip,stainless steel wire,
stainless steel strip
|
| |
|
Chromium
sour,plate chromium
additive,ultrasonic
cleaner |
| |
|
Fast
bright to quench
kerosene,ultra
to antirust the
oil while being
thin |
|
|
