Longr 3D is one of the best laser engraver and 3D printer companies in the world. Our FDM 3D printer lk5 pro, resin 3D printer Orange 30 and RAY5\B1 series laser engraving machines have been well received by customers all over the world. www.longer3d.com is our official store, supported by shopify, US and European warehouses, fast and free shipping to customers.