Dr. Dongsheng Li and Dr. Gopal Das met while working at Department of Materials and Processing Engineering, Practt & Whitney, one of the largest airplane engine production companies in the world. Identified the opportunity of additive manufacturing in aerospace industry, they decided to move into this field to promote the advance the novel technology to promote it in application. Without the limitation of bureaucracy and delay, they have the freedom to help clients to implement their ideas in full speed.

They have worked with aerospace industry, automobile industry, energy industry to advance additive manufacturing. They also highly appreciate the funding support from state of Connecticut, and Department of Energy.


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We at AMLLC believe right people, right machine, and right approach will realize your dream of rapid efficient and affordable production. That’s why we offer consultations, design, processing optimization and production service, to walk you through your needs, the scope of your goals, and your budget.

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Who We Are



Dongsheng Li

Before starting AMLLC Dr. Li has worked in one of the world’s best university, Georgia Institute of Technology, one of the worlds’ best lab, Pacific Northwest National Laboratory, one of the world’s best airplane engine corporation, Pratt & Whitney. With encouragement from family and friends, he founded AMLLC, initially as an R&D company, then expanding into production service, focusing on additive manufacturing.



Mechanical Engineering, Florida State University
PhD, 2002
Computer Science, Florida State University
MS, 2002
Materials Engineering, University of Sci & Tech of China
ME, 1998
Chemical Engineering, Hefei University of Technology
B.E., 1995


•Adjunct Faculty, School of Dental Medicine, University of Connecticut
• Adjunct Faculty, Department of Mechanical Engineering, Western New England University
• Adjunct Faculty, Department of Mechanical Engineering, Central Connecticut State University
• Adjunct Faculty, Department of Health and Natural Sciences, Goodwin College
•Adjunct Faculty, Department of Mechanical Engineering, Washington State University




Gopal Das

Dr. Gopal Das is an expert on alloy development and processing optimization. Prior to co-founding Advanced manufacturing LLC, he worked in Pratt & Whiney and Air Force National Lab for 30+ years. He was an founder of a startup in India which manufactured first Si single crystal waffle.



Dept of Metallurgy, Case Western REserve University
Dept of Metallurgy, Case Western REserve University
Bengal Engineering College, Calcutta, India


Adjunct Professor, Case Western University


R&D 100 (2000) 
NASA Space Act Award (2001)  
Pratt & Whitney Eagle Award (2010)