Welcome to Shanghai Kemai Know more about us Our full ceramic bearings in food industry Our well- made ceramic bearings are used in the food industry . Our needle track roller bearings are used in the textile industry Our well- made NUTR series needle track roller bearings are proudly used in OEM textile machinery. Our stainless steel pillow block bearings are used in food automation production line Our well- made stainless steel pillow block bearings use food-grade grease and are widely used in the food industy.