Yunnan Coal Chemical Industry Group Co., Ltd
Yunnan Coal Chemical Group Co., Ltd. (hereinafter referred to as Yunnan Coal Chemical Group) is a large provincial enterprise group established in August 2005 as part of the implementation of the strategy of large enterprises and large groups by the
Introduction
Yunnan Coal Chemical Group Co., Ltd. (hereinafter referred to as Yunnan Coal Chemical Group) is a large provincial enterprise group established in August 2005 as part of the implementation of the strategy of large enterprises and large groups by the Yunnan Provincial Party Committee and Government. Yunnan Coal Chemical

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Since 1953 we produce highly porous sintered materials at our site in Dortmund. Our many years of varied experience in the processing of PE (SIPERM® HP), Stainless Steel (SIPERM® R) and Bronze (SIPERM® B) to highly porous plates, pipes, molded parts
QUMA Elektronik & Analytik GmbH is a world leader in the field of combustible gas odorimeters both as individual and automated systems for monitoring odorant. Its odorimeters are well known through a unique sensor developed by advanced techniques and