Manchester stamping firm bought by Japanese-owned auto supplier

AUBURN HILLS—Continental Structural Plastics, a provider of composites for the auto industry owned by Japan’s Teijin Group, announced an agreement to acquire the assets of AMI Stamping. The acquisition includes AMI’s 90,000 square-foot headquarters and manufacturing plant in Manchester.

AMI handles a broad range metal stamping projects, as well as providing in-house engineering support, production welded parts and light assembly. Press sizes at the Manchester facility range from 32 to 600 tons. AMI Manchester, which currently has 70 employees, also has a full-service die maintenance department, including a wire electrical discharge machine and sinker electrical discharge machine.

“CSP currently purchases a variety of stamped metal parts necessary to complete the assembly of a number of components,” said the company’s CEO, Steve Rooney. “This acquisition allows us to bring these stamping operations in-house, securing our supply of needed parts and protecting our ability to provide on-going, uninterrupted shipments to our customer base.”

Under the terms of the agreement, the AMI Manchester facility will be rebranded as CSP Stamping, with the legal name Continental Structural Plastics Manchester LLC, and will become part of CSP, which is wholly owned by Teijin.

CSP, founded in 1969, has 18 plants on three continents and 4,300 employees. Headquartered in Auburn Hills, CSP provides full-service engineering support, and holds multiple patents covering materials development and manufacturing processes. It was purchased by Teijin in 2016. For more information, visit

Teijin produces high-performance fibers such as aramid, carbon fibers & composites, healthcare, films, resin and plastic processing, polyester fibers, products converting and IT. The group has over 170 companies and around 20,000 employees spread out over 20 countries worldwide. More at .

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