... lubricate rollers automatically (for SKJ3- Series) wood pellet machine/ wood pellet press machine:Our wood pellet machines adopted the techonology from Germany 13 ... , we have the oil pump matched with the machine, which can lubricate the rollers automatically when they are ... as follows:Coarse fiber: wood sawdust, corn stalk, rice husk, cotton stalk, weeds, crop straw, paper, plastic, cocopeat, bran, ...