carbon additive 1. High carbon content:90%, 92%,95% 2.Factory directly offer 3. large quantity offer 1. Product •Attribute ... .0%(MAX),MOI:1.0%(MAX),S:0.20%(MAX)2. F·C:93%, V.M:1.5%(MAX),A:5 ... ),S:0.30%(MAX)4. F·C:90%, V.M:2.0%(MAX),A:8.0%(MAX),MOI:1.0%(MAX ... requirement of the Guests(1--3mm,1--4mm,2--8mm,3--8mm,2--10mm,6--10mm). 2. Factory •Experience More than 20 years experience in ...