After careful preparation , the website of Jiangsu Changlong is Officially launched.
Changlong is located in zhangjiagang city, the national sanitation city, which is the core area of Yangtze River Delta economic zone. The excellent geographical location and convenient traffic conditions provide advantages for Changlong’s development.The registered capital of Changlong is RMB12,300,000. The company has been awarded as An Enterprise of “Honoring Contract and Keeping Promise” Grade 3A of Jiangsu province, and successively passed the international quality certification of ISO 9001, ISO 14001, OHSAS 18001 etc. We have R&D center in Shanghai, and own a number of invention patents. Besides, Changlong were rated by the provincial government as High-Tech Enterprise, Jiangsu Private Science & Technology Enterprise, Jiangsu Medium and Small-sized Science & Technology Enterprises. Moreover, we are qualified as the direct supplier of CNPC, SINOPEC, CNOOC.
Welcome to our website!
Hope our website brings you an comfortable and easy-to-use experience.