Shuang Da Group (SDG) is now a medium-sized state-owned company from research, design, production and marketing. Now SDG takes on a new look after the successful reforming in 2004. SDG has four major subsidiaries; Jiangsu Shuangda Pump & Valve Co., Ltd, Jiangsu LiGong Pump Co., Ltd, Jingjiang LiGong Precision Casting Co., Ltd with total covering over 60,000 square meters.

      SDG has set up advanced production line of silica-rubber melting technology which is leading in the field with fine smelters ranging from 250g to 3000g, over 100 sets of facilities of mixing sand, modeling, shot blasting, heat treatment, ect., and also over 155 sets of metal-cutting lathes such as heavy vertical lathes, numerical contral boring machines, 14m common lathes, universal grinding machines and heavy plain milling machines, etc. All of these strongly ensure excellent qualities for the products. For year, SDG is keeping on a close cooperating with many scientific research institutes and universities, such as Shenyang Meterial Research Institute Branch of China Academy of Sciences, Hefei General Machinery Research Institute, JiangSu University, SDG is famous in smelting of corrosion-resisting materials for pumps, with a richful experiences in smelting special materials such as Hayne(s) Stellite of series B and C, Monel metal, dual stainless steel alloy series, etc. All of these make SDG leading in the line.

      SDG will have the pumps as chief products; Type SDZA high-temperature and high-pressure abrasionproof pump has been listed as national key scientific and technological project for the Tenth Five-Year Plan sponsored by China National Development and Reform Commission; Type LTB chemical engineering centrifugal pump and lining chlorinated polyether pump have gained the title of The National Key New Products, and the LU one is sponsoned by National Scientific and Technological Innovation Funds Project. Recent years, many chemical engineering pumps have gained more than 10 patents, part of chemical process pump products, such as types SZA, SZE and SCZ series, to the standard AP 1610. SDG knows clearly that only technology can make itself rigor. In 1996, SDG's R & D department introduces CAD designing system based on NT network platform, which leads in the field.

      Now SDG has over 600 staffs, among whom are over 130 engineering technological personnels. The procedure from design, production, selling and service, SDG is strictly in accordiance with SIO9001:2000 with many test and checking methods, such as chemicals and physicals, intercrystalline corrosion, macroscopic phase, x-ray flow detection, direct-reading spectrometer, moving-balancing device, anto computer-aided pump performance testing devices. SDG makes the high quality of the products. All of the products are widely used in the lines of chemical, petrol, carbon, iron and steel industry, metallurgy, fertilizer and pharmacy, etc. and in many of the stress projects. SDG has established good cooperative relationship with many national large-and medium-sized state-owned corporations such as Sinopec Nanjing Chemical Group, Sinopec Anqing Branch, Shandong Qilu Hengsheng Group, Lanzhou Smelting Company, Lanzhou Chemical company, Shanghai Baosteel Group. Panzhihua Steel Corporation, Nanjing Steel Group, Jinan Steel Group; Jiangxi Copper Corporation, Gansu Jingchuan Non-ferrous Metal Corporation, Zhongtiaoshan Non-ferrous Metal Group, Yunnan Huize Load and Line Mine; Yangtze River Pharmacy Group, Weisheng (Shijiazhuang) Pharmacy, Shandong Xinhua Pharmaceutical Corporation. etc. All products are warmly welcome by the customers.