Beijing Grandsun Company is a well-known high-tech enterprise engaged in the research, develop, design and manufacture of heat exchange equipments. Nestled between the Zhongguancun Tsinghua Science Park, Peking University and Tsing Hua University, Grandsun boasts the production base of 20000m².

　　Our company boasts the I and II Pressure Container Design Qualification and I, II, and III Pressure Container Manufacture Qualification. We have attained the ISO 9001 Quality Authentication and has the import & export right.
　　Our patent product-the corrugated tube is the national new product approved by the National Economy & Trade Committee; the recommendation of China Alkali Association and CNFA. These products are widely applied in the industries of oil refining, petrol chemical, alkali making, chemical fertilizer, and electric power plant, heating supply, air conditioner in more than 20 provinces around China. Our products have been exported to Iran, Uzbekistan, Singapore, Thailand and other countries and have earned remarkable economic profit and social benefit.