Since SUNLU is widely regarded as a pioneer in the 3D printing business, I was eager to give their 3D printing filaments a try in my professional capacity as an additive manufacturing expert. The internet store and the things I purchased from them, however, left a lot to be desired. First of all, the website was clumsy and omitted essential details about their wares. I had a hard time figuring out which filaments would work best for me because of the lack of information available about their construction and the recommended printing settings. The second issue was with placing an order. Technical difficulties prevented me from completing my order, and I had to get in touch with customer service several times. It was annoying and time-consuming that the ordering procedure wasn't more simplified and user-friendly. Thirdly, the products themselves were of subpar quality. The diameter of the filaments I received varied, leading to blockage and interrupted prints despite SUNLU's assurances of superior quality. I had trouble getting the results I wanted because the colors were different from what was shown on the website. Finally, I had a bad time dealing with customer service. Representatives were helpful in that they responded quickly to my inquiries, but they were not knowledgeable about the products and could not resolve my concerns to my satisfaction. My expectations were not met by SUNLU's online store or its merchandise. Since I'm in the business of satisfying my customers' needs, I was disappointed to find that SUNLU's solutions fell short. If you are an expert in additive manufacturing, I would not suggest working with this firm.