... convex side, coping to observe the bore, liquid lever meter, special fiberglass for inside embalmment(2).Pipelines: Anticorrosive pipelines, ... side, top watching hole, side cleaning hole and liquid level meter.(2).Pump: Variable deliver pump. Low speed revolving, big ... 4). Measuring: Variable deliver pump locked the digital flow meter to calculate raw material supply.(5).Pipelines cleaning: Washing ...