Never hesitate to contact us once you think you have received imperfect ender 3 linear rail kit. We would appreciate much that if you provide us with the inspection report as soon as possible issued by an entrusted third party to prove the quality of the product. Then, we will verify and review every manufacturing process to find out the problems. Among the manufacturing factories, we have to admit that though we always stick to the business principle of "quality first" and ensure a high qualification ratio, we can not avoid the occurrence of some mistakes which may lead to the fact that few imperfections delivered to customers. Please understand and we will deliver you exactly the same products agreed by both parties.

Fujian Huansheng Technology Co., Ltd. has become a high-level best 3d printer extruder manufacturer since inception. Funssor's main products include 3d printer linear rail series. The product is highly hygienic. Its specially perforated design guarantees air circulation and prevents germs from building up. The product has almost no UV emissions and produces very little infra-red light, which makes users feel at ease when in use.

Funssor, known as Funssor, has been dedicating to producing and designing 3D Printer Hotends. Get price!