空氣淨化係統  製造商、經銷商、供應商

Since 1962 HÖCKER POLYTECHNIK has designed, planned and built ventilation systems, briquetting systems and special solutions for industry and craft workshops. Starting with mobile dedusters and extending to large filter facilities with capacities of more than 300,000 m³ / h.
More than 150 dedicated employees work in our main plant at Hilter and in our numerous inland and foreign subsidiaries, technical offices and dealer service centers. From Kiel to Innsbruck, from Rotterdam to Wroclaw - always close to you.
Due to our years of experience in developing, designing, manufacture, installation and service, we will in the future always be one decisive step ahead. Always one idea ahead.

ESTA – The World of Extraction,
With a steadily growing number of employees ESTA is one of the leading companies in the field of extraction technology. For nearly 40 years this Bavarian company has been developing and manufacturing its products in the city of Senden. ESTA’s extensive product range is distributed worldwide through a far-reaching network of subsidiaries and trading partners. ESTA introduced a stringent Quality Management System several years ago and is certified according to ISO 9001 : 2008. In addition we offer comprehensive services, which make ESTA your reliable partner for clean air in the workplace.