... metal chips inside the sea-food , fishery, noodle, frozen food, , sugar, tea, pharmaceutical products etc. Product characteristic:1. )Stainless steel shell , anti-erosion and ... for pipeline operation.5. )When sensor detect metal part, buzzer will sound and conveyor belt will stop.6. )The performance ... of 0.8 mm steel ball, weight of 1.2-1.5g Lead, copper and other globular metal at normal window ...