Finland, the third largest city in the Nordic countries, Tampere is a heavy industry center. With the continuous development of industry, the problem of environmental pollution is increasingly serious, and the sulfur content and particulate matter concentration in the air are quite high. The authorities adopted a series of measures from the aspects of system, legislation, and technology. For example, the implementation of an environmental permit system requires that factories must meet emission standards before they can be allowed to start construction; factories that use heavy oil should use natural gas as their fuel. Homes are no longer scattered and burned by households, but are integrated into centralized heating systems; they reduce emissions from vehicles and install purification devices; and extensive use of renewable energy sources. After half a century of governance, Tampere’s air quality has been fundamentally improved. Today, no sulphur has been detected in the air and it has been rated by the Finns as the most livable city. Plastic pelletizing line,High Quality Plastic pelletizing line,Plastic pelletizing line Details, Zhangjiagang Wuhe Machinery Co., Ltd. Shandong Qufu Xingbang Heavy Equipment Co., Ltd. , http://www.chinaxingbangheavyindustry.com