Contract Engineering Services

Offer of Expertise

As a company whose foundation is in mechanical engineering and efficient product design, we recognize that some duties must occasionally be outsourced.
We stand ready to assist you.
DLE has experience in providing services to both individuals and organizations and have options available for any classification of client or partner.

Individual Testimonials

Tactical Polymer Belt Buckle

DLE was contracted by a client in the Alabama State Penitentiary system and commissioned to design a polymer belt buckle to allow for security guards to pass metal-detectors without triggering them. The mechanism employed a friction-based locking mechanism, and a standardized belt-connector system that could function for other belt accessories

Collapsable Travel Guitar

DLE was contracted by an individual in Australia to design and repair the models of an electric guitar whose purpose was to be collapsable into profile that could be stored in a suitcase.

Collapsable Fruit Bowl Design

Prior to the incorporation of DLE, Derek Liu was contracted by a merchant in France to design and 3D print a collapsable fruit rack. Pictured is not the final version but several prototypes were manufactured with FDM and MSLA 3D Printing

Professional Testimonials

RW Controls

This client Reached out through Fiverr and contracted us to recreate multiple apparatuses and 3D animations for use in investor presentations. Several contracts have been fulfilled with this client to date.

DL Research

This was a company that preceded DLE, owned and operated by our founder as a solo entrepreneur. He singlehandedly spearheaded the R&D efforts, as well as various traditionally corporate duties such as market research, outsource liaising, and investor relations.

Bosswear.co

Bosswear.co was a long-term cooperative partner of DLE whose cooperation and partnership extended to the foundation of both companies. With the concepts and objectives of the founder of Bosswear, DLE investigated and executed innovative methods to accomplish these objectives that allowed for low profile, functional designs designed for prison guards, TSA agents, and other security agencies.

Long Beach Lunabotics

Long Beach Lunabotics is a organization at CSULB that contracted Derek Liu prior to the founding of DLE to design the tank-track drivetrain and suspension system for their Competition Lunar Rover. This lunar rover placed in the competition year of 2021-2022. Our founder is present in some of the pictures of the gallery linked below. On occasion, connections derived from this organization are employed for objectives and missions.