Solution Description China Great Higher Precision High quality 16A-G2 Leading Rubber Conveyor Chain for Transportation  Item Description 1. Chain Material: Alloy metal & Stainless steel2. Rubber Materials: NBR & NR3. Rubber hardness: Shore hardness 65-seventy five, 75-85four. Chain Floor Remedy: Shot peening & Blackening & Bluing5. Chain Measurement:08B-G1 08B-G2, 10B-G1 10B-G2, 12B-G1, 12B-G2, 16B-G1 16B-G2,…