... production technology 2.Cast Iron Drum,Aluminium Drum 3. Excellent Abrasion resistance,High load capacity Chibi ... degrees;2. Excellent in heat and abrasion resistance;3. Offering very strong bonding between rubber and drum ... 2. Strict inspection, no any inferior products allowed.3. All staffs have abundant experience and skilled capacity ... ,Qiao Wang,Yashi,OEM Rice milling machine SBR/NBR rubber roller