Härenviks AB (former AT-Modellprodukter AB) is an Engineering company connected to the foundry industri. Härenviks is active in four main areas: Enginering/Construction, model making and prototyping, maching/milling and surface treatment and manufacturing of valves and manometers. Along with the engineering and prototyping, Härenviks has developed excellent skills in producing hydraulic fixtures with very high dimensional accuracy used within their own production and as a product.