For more than 50 years, Welsch SAS has been the specialist in plastic injection from prototypes to large series.

We bring satisfaction to our customers through our sense of listening and interpersonal skills, expertise and responsiveness.We transform all plastics to meet your industrial challenges.

Our integrated design office and its DAO and CAD equipment allow us to create and produce 3D models. According to the specifications, we execute prototypes of parts, test molds, production molds . Different treatments can be added delivering a finalized high quality product.