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SainSmart is an online company. Based on 50 reviews on TrustPlane, it has an average rating of 4.7 out of 5 stars. Last reviewed February 20, 2026.
Sainsmart customer service is amazing. They reply to emails quickly and immediately replace broken or defective parts without any hassle. They follow up afterward to make sure everything is taken care of. I've become a big fan of this company as a result.
I recently called customer service after the router died. I’ve own my ProMax 40/40 for about 4 months. I couldn’t have any better service than I received. They asked me to send them a video of the router which I did. A few days later I received a new router.I couldn’t believe how easy the process was. I highly recommend SainSmart.
SainSmart is an exceptional company renowned for its outstanding customer service. I encountered an issue with my order, and the company promptly resolved the problem. Furthermore, they generously provided me with a complimentary replacement product while retaining the original. I extend my sincere gratitude to Odile, who assisted me throughout the process. His prompt response to my email and exceptional customer service exceeded my expectations. I am confident that I will continue to be a loyal customer for years to come. Thank you once again, SainSmart and Odile
My 4040Reno suddenly lost Z movement control starting halfway the Y-axis (yes, halfway a large cutting.... ). After checking most components without success I sent an email message to support. This was answered within minutes by AI which asked me some (logical) questions that didn´t solve the problem.. After answering them by email again, George from support came online and suggested that the main cable from the controller might be broken. I provided the PN of my machine and received a new cable in 8 days! Again thank you so much for this support. I am pleasantly surprised that you are able to deliver this kind of support on what is probably an entry level machine and I think you may have found the right fit between AI and personal attention. Great stuff!!
I had a problem with the Imatic box. The relays for 230v didn't switch on. I asked for help and got relatively quick response every time. I got a lot of help to make sure that my setup is right. But in the end it was a failure in the box. They send me a new one and everything worked fine 👍Ofc it would be perfect if it worked first try but things like that can happen. The support was awesome during that!
Very constructive and helpful team!
Bettina's outstanding support throughout this entire process—from purchase to technical setup. Her professionalism and patience have been incredibly helpful.
had a small issue when I first purchased, Customer support was great solved issue no problemHave not tried the rotator yet should b fun
Great buy, brilliant seller, will buy again. Thank you.
This was the first time I've had to contact Sainsmart customer service for an issue I was having. They responded promptly and resolved the issue to my satisfaction. I'm very pleased with their attitude toward customers, and I have full confidence that they stand behind the quality of what they sell. This is the kind of company I love.
Great company to buy fromGood communication Excellent products Reasonable prices
Great support staff! My new cubiko CNC had a laser unit problem, they helped me, and finally they sended me a new unit!
I still haven't received my order in total, nor have I received the refunds they promised. I can't use the equipment until I get the extras I ordered. Ask for refund and got a small amount thats not been refunded. Except for the part that wouldn't ship due to supply issue. shipment hasn't been replacedOrdered from another company 6- carbon 3d printers, 2 laser engravers and a cnc machine plus repla parts. And 10 rolls of there filament and got all the goo. On time, and complete.Sainsmart im still awaiting. Sad day, I've bought alot of equipment from you. However not anymore.
I recently had an issue with a PEBA filament profile on Bambu Studio, and the support I received from SainSmart was exceptional. After I provided feedback regarding a compatibility issue, the tech team actually developed and launched a new profile specifically for the X1C to ensure everything worked perfectly. It is rare to find a company that listens so closely to customer feedback and goes the extra mile to provide a solution. SainSmart truly cares about their customers and the maker community. Highly recommended!
Been making a bunch of orders everything went well, the machine I ordered had a problem that between emails we couldn't troubleshoot the problem so they sent me a new machine.Very good aftersales service and support in general.
had a problem with my limit switches so contacted sainsmart . i must say they was very helpful and communication was very good.
Good communication and very positive responses to queries.Very happy to deal again in future.
Problem diagnosed quickly and replacement part shipped right out.
I had some issues with a bent spindle shaft on my new 4030 V2 CNC machine as a result of a software problem with Candle. SainSmart replaced the spindle promptly at no cost.
It took way to long to settle my issue. With no phone number to call or live chat support, all you can do is email. But the average email response is 24 hours (and 0 on the weekends).It took two full weeks for my issue to be resolved, when I sent detailed descriptions from the beginning of my issue.
According to TrustPlane, SainSmart has a 4.7/5 rating based on 50 verified reviews as of April 2026. Source: trustplane.app/company/www-sainsmart-com
