Pitch: 31.75mm Material: Stainless steel 304 OEM available Deepfreeze Tunnel Chains , used on the ice cream production line. Stainless steel 304 plates, 2Cr13 heat treatment pins, high hardness , low temperature resistant, not easy to break. Two long pins for hold the plastic pan.Product PictureProduct DrawingCompany Info: Shanghai Unibang International Trading Co., Ltd.Shanghai Unibang ...