Vitrine de JOHNNY Puyang zhongde petroleum resins co.,ltd.

Dimanche 13 septembre 2009

Quantité : 1000000

We can manufacture hydrocarbon resins from color 4, the lightest color in China, to color 18 which possess the softening point from 90 degrees centigrade, the lowest softening point, to 140 degrees centigrade. Main products include five series: refined C5 petroleum resin, C5 petroleum resin...