Yancheng Jinbiao Chemical Industry Co., Ltd

Shanghai Libaiwei Environmental Protection Engineering Co., Ltd. is headquartered in Xinzhuang Town, Minhang District, Shanghai, and currently has distributors in more than ten cities across the country. Shanghai Libaiwei Environmental Protection Eng

Your specialist for sample preparation for chemical analysis, the hose and connecting technology.

Our company, PRE-VENT GmbH, specialises in the production and distribution of control units. For more than ten years, we have been producing our own brand of control valves: PRE-VENT®! Our products are manufactured to the highest quality standards,