Sonneck Heizung und Sanitaer GmbH

Zhejiang Hetang Technology Co., Ltd. (formerly known as Zhejiang Dier Chemical Co., Ltd.) was established in 1996. It is a national high-tech enterprise and a technology-based small and medium-sized enterprise in Zhejiang Province that integrates res

Development, production and implementation of heat exchanger screws: °Celsius has it all in its own hands. In this process quality is the most important thing. You can tell from our own test centre, the warranty of the supplied heat exchangers and th