Pro-Plas Expo-15th to 18th ,March,2016, South Africa, booth ...
Rubber-PLAS VIETNAM 2015--Vietnam--16th to 19th,Sep--Booth# ...
InterPlas Tailand 2015--Tailand--09th to 12th ,July--Booth #...
ChinaPlas2015--Guangzhou--20th to 23th,May--Booth #12.1J03
EXHIBITION Exhibition ...
Process for screw: Cutting stell—Machining—Drill hole—Quench...
Screw and barrel Material :1.Germanysteel, GH113 ,2250 ,2842...