Zhejiang Longsheng Group Co.Ltd ,  the key subsidiary of Zhangjiang Longsheng Holding, is one of the national first type  private enterprises  with self-managed import and export rights, and also the only listed   company in China’s dye industry. The Group was established on June 13,1970. After 35 years develop, the headquarter in  Shangyu become a large enterprise which occupied an area  of  2 million square meters，with more than 3000 employees. Longsheng also controls share in 13 subsidiaries which distributing in Shanghai, Sichuan, Jiangxi, etc. The Group got many awards and honor in the past several years. The group is in 500 tops of countrywide private enterprises and 50 tops of private enterprises in Zhejiang Province, the 27th enterprise in china’s petroleum and chemical industry, the demonstrating enterprise of good faith in Zhejiang, one of the outstanding-scaled enterprises, excellent taxation credit of AAA distinction, and etc. On August 1 ,2004, the stock “Zhejiang Longsheng” listed on the Shanghai Stock Exchange (SSE)  successfully.  

   Longsheng mainly manufactures high strength dyestuffs eco-friendly disperses dyes, reactive dyes, acid dyes, assistants and intermediates. The annual output is over 120 thousand tons now, the products are sold all over the country and to more than 70 countries and regions, so Longsheng is the largest manufacture and export base of disperse dyestuffs, as well as the leading enterprise of domestic dyestuff trade. The products have extended from dyestuffs to intermediates, building materials industry, raw materials of chemical industry, and even steel industry and information technology, etc.

    Longsheng holds a technical center in provincial level, R&D Institute, a technological center and a investment & development platform   in Shanghai, and then will construct a state-level technology developing center. Longsheng is one of the first to pass the ISO9001 and ISO9002 certificate of the quality system. At the same time, to improve and develop both the old and the new products, Longsheng has established a tight relation with some relating universities and intuitions, including Zhejiang University, Dalian Technology University, Fudan University and so on. We also put a high premium on technical equipments, imported 125 suits of advanced equipments and instruments. Nowadays, our development2 has become more and more broader and deeper.
   
   The group not only leading the dyestuff industry in technology, management, strength and so on, but also set a good example in environment protecting.  A wastewater treatment plant, which can deal with 5000 tons water per day, was built under the co-operation with Tsinghua University in 1997. Managed according to ISO4000 system strictly, we solved the environmental problem and ensured the sustainable development.
    The Group always follows the thought of “prominent in strong point, develop in breadth and depth, operate in disparate fields. ”, all the Longsheng personnel develop the spirit of “never satisfied with what we had achieved, never remit our efforts”, targeted the goal of build up a top worldwide textile chemical manufacturer, we will do our best to concentrate, to occupy more market, to make greater process, to get more efficacy.  To keep ahead in the rat race, we will reform the company by the creativity awareness, develop it by technologies, build up an all - dimensional and wide - range opening pattern, and make the “Longsheng” brand world-famous.