At present, there are more than 7,500 registered companies in Tianjin Free Trade Zone and Airport Economic Zone, of which 122 are World Top 500 investment projects. In 2008, a total of 8 high-tech companies were selected in the Top 100 list. Compared with last year, the 10 high-tech companies selected this year have high technological content, strong brand effectiveness, and strong industry-led capabilities, including Tianjin Songzheng Electric Technology Co., Ltd. Dickey Aeronautical Structure Services (China) Co., Ltd., Xifei International Aviation Manufacturing (Tianjin) Co., Ltd., Alstom Hydro Equipment (China) Co., Ltd., Aishi (Tianjin) Hi-tech Co., Ltd., CSC Information Technology (Tianjin) Six companies such as Co., Ltd. are newly introduced companies that were selected for the first time this year. In the past five years, more than 1,200 patents have been filed by enterprises in the region, including 4 state-level research institutes, 5 national-level engineering centers, engineering laboratories, 19 municipal engineering centers, and enterprise technology centers. Over 170 state-level and municipal-level scientific research projects were undertaken, among which 33 projects were included in the national science and technology plan, and 25 projects were included in major projects for industrialization of independent innovation in the city, and 11 city-level science and technology progress awards were obtained.
In 2009, the output value of high-tech industries in the Tianjin Free Trade Zone and the Airport Economic Zone was 20.7 billion yuan, an increase of 86%. It is estimated that by 2015, the output value of civil aviation, electronic information, RFID and internet of things, and advanced manufacturing will reach 160 billion yuan, and the proportion of high-tech industry output will exceed 60%. The advanced manufacturing and high-tech R&D transformation bases will be initially established.
Properties:
Oxalic ACID is white crystal. Its melting point is 101-102 °C and sublimes at 157 °C.It is soluble in water,alcohol and ethyl ether. It is insoluble in benzene and chloroform. It is toxic. Pharmaceutical industry: for ring elements. Oxytetracycline. Borneol etc.;
Application:
1.Purifying agent in pharmaceutical industry, special in antibiotic medication, such as oxytetracycline,Chloramphenicol etc.
2.Precipitating agent in Rare-earth mineral processing.
3.Bleaching agent in the textile activities, wood pulp bleaching.
4.Rust-remover for metal treatment.
5.Grinding agent, such as marble polishing.
6.Waste Water Treatment, removing calcium from water.
Oxalic Acid,Oxalic Acid Crystals,Hydrated Oxalic Acid,Crystalline Oxalic Acid
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