Maintenance matters of hand drill (1) The commutator of the motor should be specially maintained, and the conductive substances in the mica slot of the commutator should be cleaned up in time with a mica slot cleaning knife.(2) often add high temperature resistant grease, add an appropriate amount o Read More

Is it necessary to have a toolbox at home? The answer is definitely yes. Whether it is the modification of furniture, repair of children's toys, or the failure of household appliances, without exception, these cases will use the toolbox, we can not be in every time the items at home when the failure Read More