Magnesium powder for electric towel rack is slightly damaged

Such as oil sump, two-end flange welding of water dispenser pipes, end welding of water boiler pipes, and pickling during electroplating, (hydrochloric acid, nitric acid) and electroplating solution immersion.

Other situations: for example, the electric heating tube has not passed the furnace or passed the furnace after the tube is made, but the temperature of the furnace is too low or the temperature has reached, but the furnace time is too short and so on.