Dalian Hede Technologies Ltd.

Dalian Hede Technologies Co., Ltd. is located in Dalian, a beautiful coastal city in north of China. Hede is a high-tech chemical enterprise integrated with R&D, manufacturing and foreign trade, specialized in the supply of gas sampling bags and related products. After years of growth, we have now become a professional chemical manufacturer, supplier and exporter. Our product scope covers a wide range of chemical materials including gas sampling bags, valves and fittings, gas sampling