( PPS ) Ryton R-4-220BL (R4-220BL) Black Polyphenylene Sulfide Resins
China (PPS) Ryton R-4-220BL (R4-220BL) Black Polyphenylene Sulfide Resins, Find details about China Ryton R-4-220bl, Ryton R4-220bl from (PPS) Ryton R-4-220BL (R4-220BL) Black Polyphenylene Sulfide Resins