I don't sell "CNI" lasers.
I have bought one before as well as get stock from several sources inside of China In my dealings with all of the companies I have not come across the original manufacturer of these units, They all are born somewhere that I have not yet discovered. The reason I say this is that they are all very much alike with only small differences between them, but what gives it away the most is that the serial numbers from all of these manufacturers is in the same number format and range, ie. 30275 to 30500. In fact I've gotten some from different sources that were slightly different in outer build that have serial numbers that differ by only 15-20. I am still trying to figure this out and who is really making all of these. KBlaserman is right, they are all of aluminum, none are plastic. I am 99.9% certain that CNI or any of the other sources I've used in the past are the original builders of these lasers, It does appear that each reseller/distributor like CNI does do some very limited customization of the lasers before sending them to customers. I'm not trying to put down CNI in anyway, I've not gotten enough from them to really tell the quality. The one from them and it suffered from a large amount of instability and was below the promised power level. That was awhile back and things could have gotten much better, and like I said a sample of 1 unit is too small to make any real conclusions. I found better, less expensives sources that have provided more than the promised power output level. It is not as easy a business as I thought it would be in the beginning. Even now, I still sometimes need to return up to 25% of my order back to China as they don't meet my quality standard or produce the promised output power. But my sources are slowly learning that I won't accept sub par output or quality, they know I'll be testing them and they will be returned if they don't pass, probably to just be sold to others who may not care about or test for output level and beam quality. Not to mention the hugh amount of time and effort put into customer support to make sure each customer is completely satisfied.
A good weekend to all
Jack