The southern Binh Duong Province People's Committee will have closed 142 Hoffman brick kilns by the end of this month, due to their polluting the air.
Director of the province's Construction Department, Nguyen Thanh Tai, said that since 2010 the province stopped granting licences to build new kilns of this kind and urged an end to the use of such kilns.
The Hoffmann kiln is a series of batch process and are the most commonly used kilns for the production of and products by German Friedrich Hoffmann for brick making in 1858, it was later used for -burning and was known as the Hoffmann continuous kiln.
Source: VNS