Longer is a very dependable company.
I started out with the 20 watt longer ray5. I was very happy with the performance of the laser. When the 30 watt came out I ordered one and upgraded my system. I've been using it for about a year now. I've been able to work with heavier material with the up grade. I have been impressed with the 30 watts ability. If I decide to upgrade my laser business in the future I will order a laser from Longer. They have been working with me for over 2 years and they always respond in an honest and timely manner. I would highly recommend Longer.