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 bottles and so on.Our philosophy is to give excellent sales, service, quality, and technical advice. We focus on customer service, a key ingredient of business, as well as high quality of products. We have gained our customers&＃39; trust by providing high-quality products, competitive price, prompt delivery and professional services. We have established and developed worldwide partnerships with quantities of domestic and abroad enterprises. Our company also has its own large-scale warehouse and transportation fleet, a highly efficient logistics system and our products have been exported to South America, Middle East, South-east Asia and other countries.Based on manufacturing industry and focused on raw chemical business, we are steadily involved in global market. We are confident to be an international leading supplier with our comprehensive ability and core competitiveness.We offer volume discount, please contact us for details.