The company Alfredo Polti SA, a typical family business, is active in the industrial sector of natural stone. It was founded by Alfredo Polti in 1950, with the launch, in Grono, of a workshop for the processing of the Gneiss Calanca. The pioneer was however Alfredo’s father, Giovanni Polti, who in 1920 was involved in the extraction and processing of the Gneiss Calanca in the quarries of Arvigo, where in 1960 Alfredo Polti transferred the entire production. The extraction of the stone from its own quarries and its elaboration in new and modern laboratories thus became two integrated phases of a single production process. The Gneiss Calanca extracted from the quarries Alfredo Polti SA is treated in modern laboratories, where expert stonemasons transform it manually or mechanically, thanks to the help of the most modern machines for working with stone. Moreover, part of the material is put on the market in the raw state, in the form of blocks, irregular or quadrangular slabs, or masonry stones. The available offer is vast and includes products for: • the substructure • the superstructure • the construction and furnishing of parks, gardens, squares and cemeteries • the creation of artifacts able to satisfy the most demanding dictates of modern architecture of exteriors and interiors. About 90% of production is destined for the Swiss domestic market. The remainder is exported, in particular to Germany, Italy, Austria and France. In many cities of these countries you can admire important works realized with the Gneiss Calanca by Alfredo Polti SA produced in Arvigo. After the death of the founder Alfredo Polti, the company was taken over by: Giovanni Polti, who takes care of the extraction and production processes and Vania Polti Ambrosini, who guarantees administrative management. Since 2013, Alfredo Polti SA remains the only active quarry in the Calanca valley. Most of Alfredo Polti SA's collaborators have many years of service in the company, synonymous with experience and professionalism at the service of customers. Since May 2007 the company is ISO 9001 certified.

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Buchbinderei Brugger AG, your partner arround the bookbinding - hight class products with quality, price and swissness signed. We are a family company located in the heart of eastern Switzerland - in the middle of Appenzell. We produce printed products to high class finishing products. Cutting, folding, punching, binding, punching tab, glue binding eg. are until only little steps at our Industrial-Bookbinding. Our Handmade-Bookbinding produce with hight safety controll for municipality, cantons, law firm and privat persons. Thanks to our almost 100 years of experiance and know-how, we can rely not only on ourselves, but also on our machines. Constant innovations are part of meeting today's standards and customer requirements on a daily basis. Our focus is on the prouction of Wiro/wire comb binding/spiral binding. We can bind from one sheet up to a book block thickness of 20mm. We process individual products using our extremely large machine park. We process small to large orders inline using our unique system. Our gathering machine on the 1st floor of the 3-story building impresses with 36 stations. Can process single sheets as well as folded sheets with an maximum size of 29.7 x 42.0cm. The assemnled book block is trimmed inline "all around" by a 4-site cutter. The book block is divided, punched with round holes (hollow stamp), collected again and bound. Thanks to our inline wirde former, we can also produce large quantities at a price that is absolutely fair. Fair discussed - fairly produced. Made in Switzerland is very important here. Of course, we also like to work across the borders. We stand by our quality. We are convinced that we dan produce something beautiful from four products. Of course, we also have other machines available. Cutting line with a maximum witdt of 136cm... folding machines. Gathering machines. Single sheet punching. Wiro bindings in manual machines, semi-automatic machines or our imposant Bielomatik Bookbinding line. Individual book packaging/stack packaging in food-safe foil welding. Cover production for book production inlcluding the possibility of hanging in a wiro product. Perfect binding from single products to small editions. We process hotmelt or hotmelt with PUR properties. The brochures are trimmed on a stand-alone three-knife trimmer. This allows us to trim the products gently on three sides, without the risk of press marks or crushed spines, which can often occur on a plan cutter. As you can see, we are full of surprises. The list above could go on... Contact us. Come in and learn more about our dynamic team. We look forward to seeing you.