How To Buy Stone Machinery Will Buy Good Quality And Low Price?

1. The stone cutting machine is energized for one minute, and the hand should not feel any abnormal tremor when running, and the reversing spark should not be more than 3/2 levels, usually from the air inlet of the thing to look in, and there should be no significant arc light on the surface of the commutator. During operation, there should be no abnormal noise.
2. Check the nameplate and clarification of the stone cutting machine, and the nameplate parameters should be common to the 3C certificate. The letter of clarification should have the specific address and contact information of the manufacturer and the manufacturer. The nameplate or certificate of conformity should have a traceable batch number of the product.
3. Investigate the outer packaging of the stone cutting machine, the outer packaging should be clearly drawn, no damage, open the packaging box to investigate the appearance of the stone cutting machine, the color should be uniform, the appearance of the plastic parts should not have significant shadow filaments and dents, there should be no scratches or bump marks, the installation dislocation between the shell parts ≤ 0.5mm, the aluminum casting paint lubrication is beautiful and incomplete, and the appearance of the whole machine should be free of oil stains and stains. When holding it with your hand, you feel better in the hand, and the handle of the switch should be flat. The length of the cable should normally not be less than 2 meters.