... material 2. 316 material 3. competitive price roller chains in carbon steel and stainless steel.specifications:25,35,41,40,50,60,80, ... straight side plate and heavy duty(reinforced) chains are also available.roller chains,transmission chains,industrial chainsdriving chain,heavy duty chain:1advanced ... satisfactory after-saless service9)Mutual development,mutual benefits. 304 stainless steel roller chain