Química Dalton

Hangzhou Hengquan Technology Development Co., Ltd. is a science and trade company specializing in the sales of various chemical raw materials such as pharmaceutical raw materials, food additives, textile printing and dyeing auxiliaries, coating auxil

Technology company Optris GmbH is specialized in the development, production and sales of non-contact temperature measurement via infrared. The product range covers portable infrared thermometers, stationary infrared industry thermometer as well as

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,