Sennwald (SG): HRS builds 12,000 square meters for valve manufacturer in Haag HRS is constructing a 12,000 square meter building with laboratories and offices for a technology company in Sennwald (SG). You need to be logged in to view this content. Please Log In. Not a Member? Join Us Annual subscription "IB+ Database" CHF 95.00 incl. VAT Add to cart