EMW filtertechnik GmbH

Our company specializes in the research and production of metal surface treatment, undertaking stainless steel pickling, passivation, polishing, high-rise building cleaning, central air conditioning cooling water system air duct system cleaning and c

Jinan Yudong Technology Development Co., Ltd. is a comprehensive chemical enterprise that integrates scientific research, production, and sales. Since its establishment in 2002, the company has been committed to researching, developing, and producing