Flexible Tunnel Ventilation Duct

Jiangsu Sulong Eco-Technologies Co., Ltd was founded in 2007 (referred to as Sulong Environmental Protection), located in Funing Filter Media Industrial Park, Jiangsu Province, with a registered capital of 108 million yuan, covering an area of 50 acres, with a construction area of 30,000 square meters. Our products include PVC, PE polymer airtight fabrics, coated fabrics, waterproofing membranes and products; mud and chemical grouting equipment, mining and tunnel ventilation systems, etc. We attach great importance to scientific and technological innovation. Our company attaches great importance to scientific and technological innovation, and has established cooperation with Sichuan University and Yancheng University of Technology in the fields of “production, learning and research”. As of 2018, we have obtained 5 nationally authorized invention patents and 27 utility model patents and declared 20 invention patents for approval. The company has spent many years to independently researching and developing the “Intelligent Wind Tube Coating Fabric One-shot Unit”, which is a one-shot PVC polyester fiber composite airtight fabric production line with a double-mold casting method, that has been certified by the Science and Technology Department of Jiangsu Province and the Economy and Information Technology Commission of Jiangsu Province, and awarded the certificate of Jiangsu Province's “First Set Equipment Award”. The unit has been certified by Jiangsu Provincial Science and Technology Department and Jiangsu Provincial Economic and Information Committee and awarded the certificate of “First Equipment Award” of Jiangsu Province.

After years of development, Solon Environmental Protection has become a national high-tech enterprise, a high-tech enterprise of Jiangsu Province, and a famous trademark enterprise of Yancheng City. The company has passed ISO quality, environment and occupational health system certification. The airtight fabrics and air ducts have been certified by MA and KA of National Safety Standard and CE of the European Union. The company has also passed ASTM certification from the American Society for Testing and Materials (ASTM), NFPA701 flame retardant certification from the National Fire Protection Council (NFPC), and MSHA certification from the Federal Mining Safety and Health Administration (FMSSHA) of the United States.

Since the establishment of Solon Environmental Protection, we have strictly demanded ourselves to survive on quality, develop in good faith and innovate in science and technology, and now we have become the gold-medal product supplier of many of the world's top five hundred enterprises. Domestic large-scale projects include Three Gorges Hydropower Station, Xiluodu Hydropower Station, Ertan Hydropower Station, Xiangjiaba Hydropower Station, Gansu Liujiaxia Underground Drinking Water Project, Northwest Liaozhi Water Supply Project, Guangzhou Zhanjiang Underground Petroleum Reserve, Shanghai, Shenzhen, Guangdong, Nanjing, Suzhou, Wuxi, Qingdao, Harbin, Kunming, Baotou, Chengdu Metro and other projects. International large-scale construction project experience includes Hong Kong-Zhuhai-Macao Bridge Hong Kong Section Undersea Tunnel, Abu Dhabi National Oil Underground Reserve Depot Project, China Laos Railway Project, Thailand Mass Rapid Transit Blue Extension Metro Railway Project, Singapore Metro Project, Vietnam Ho Chi Minh Metro Line 2 Project, Uganda, Ecuador, Zimbabwe Hydroelectric Power Station, and the U.S. Tunnel Single 300-meter Extra-long Tunnel Wind Tube Project.