... mud.3.With the zinc-coated steel grating,the tank level is fine-looking,portable,corrosion-resistant,and so on.4. The ... they have the advantages of fine-looking,installation easily,reliable seel,and so on.5.The tank body has a big capacity ... for corrosion protection and well materials,the tank has high surface strength,and is fine-looking,wear well. solid control system mud ...