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ZIP:324000
TEL:+86-570-3865703
FAX:+86-570-3865781
SITE:www.dshtech.cn
E_MAIL:dshchem@aliyun.com
ADD:NO.75 ,Fushi Road,Quzhou City,Zhejiang Province,China

   ABOUT US
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    Quzhou Dingsheng Chemical Technology Co., Ltd.(short form DS Chem.) is located in Quzhou City, a state-level historical & cultural city in Zhejiang Province.
    DS Chem. is a high-tech company in the domain of fluorine chemical industry, which owned several national patents in the area. It is a professional company in R&D products and technology relate to fluorine, and it is also engaged in technology transfer and technical services in the field of fluorine chemical industry. DS Chem. invested in several companies which producing or business-related products of fluorine chemical industry and sales of fluorine chemical products. The company gets 39 employees currently, including 12 senior engineers and 19 engineers, they are come from the well-known fluorine chemical companies with rich production and R&D experience.
    DS Chem. mainly engaged in the business of a series of fluorine chemical products including aluminum fluoride (AlF3), cryolite (sodium aluminum fluoride Na3AlF3), ammonium fluoride(NH4F), ammonium bifluoride(NH4HF2), potassium fluoride(KF), potassium fluosilicate(K2SiF6), fluosilicic acid(H2SiF6), sodium fluoride(NaF), Potassiumtitaniumfluoride(K2TiF6), fluoroboric acid(HBF4), sodium fluoroborate(NaBF4), potassium fluoroborate(KBF4) etc..
    An advanced technology in fluorine-containing wastewater treatment will be recommended, which is an environmentally friendly processing technology to extract fluorine resources: For more than 0.5% of the fluorine-containing wastewater, and then environmental treatment of waste water, fluorine resource utilization up to 95%, the economic of the process is obvious.
DS Chem. also recycles various types of fluorine chemical by-products and the fluorine-containing waste. Such as: waste potassium fluoride, cryolite waste, waste hydrofluoric acid (content 15% ~ 55%), waste potassium chloride, waste potassium carbonate.
    DS Chem. can provide the following production technology and technology transfer, engineering design, technical advisory services:
    ◇ Anhydrous hydrogen fluoride (AHF) manufacturing technology, Single set of devices with an annual output of 25,000 tons of AHF (use fluorite powder CaF2 and sulfuric acid H2SO4 as the raw material).
    ◇ Anhydrous hydrogen fluoride (AHF) manufacturing technology, Single set of devices with an annual output of 20,000 tons of AHF (use fluorosilicic acid H2SiF6 as raw materials).
    ◇ Dry aluminum fluoride(AlF3) manufacturing technology, Single set of devices with an annual output of 36,000 tons of dry aluminum fluoride (use AHF and aluminum hydroxide Al(OH)3 as raw materials).
high-purity silicon tetrafluoride manufacturing technology (SiF4 content ≥99.99% ).
    ◇ Ammonium fluoride NH4F and ammonium bifluoride NH4HF2 manufacturing technology, use fluorosilicic acid H2SiF6 as raw materials.
    ◇ Potassium fluorosilicate K2SiF6, high activity of potassium fluoride KF, sodium fluoride Na2SiF6, sodium fluoride NaF, fluoroborate acid HBF4, potassium fluoroborate KBF4 and other salts manufacturing technology, use fluorosilicic acid H2SiF6 and the waste salt.
    ◇ Calcium fluoride (CaF2) manufacturing technology, Single set of devices with an annual output of 50,000 tons of CaF2 (use fluorosilicic acid H2SiF6 as raw materials).
    ◇ Fluoride comprehensive utilization of fluorine contained waste water and sewage treatment technologies.
    ◇ Anhydrous ammonium bifluoride NH4HF2 manufacturing technology (gas phase reaction): single set of devices with an annual output of 3000 tons.
    ◇ The spherical silica SiO2 manufacturing technology, use fluorosilicic acid H2SiF6 as raw materials (SiO2 content ≥99.99%, scalability).
    ◇ Polysilicon manufacturing technology, use high-purity silicon tetrafluoride SiF4 and hydrogen H2 as raw materials,Si content ≥99.9999%.
    ◇ High purity quartz sand SiO2 manufacturing technology, use fluorosilicic acid H2SiF6 as raw materials, SiO2 content ≥99.9999%.
    ◇ Cryolite Na3AlF6 manufacturing technology, use etching aluminum slag (from aluminum surface treatment industry) as raw materials.
    ◇ According to different raw materials, 12 kinds of manufacturing technologies of cryolite production will be supplied.
    ◇ The fluoride salt manufacturing technology by use of fluorine-containing waste water from rare earth production process.
    ◇ The desiliconization technology of crude acid dry aluminum fluoride project is to improve the quality of the product AlF3(an upgrade technology for premature dry aluminum fluoride project).
    ◇ The Chlorodifluoromethane (R-22, CHClF2) manufacturing technology, use trichloromethane CHCl3 and AHF as raw materials.
    ◇ The Tetrafluoroethylene monomer (TFE, CF2CF2) manufacturing technology, use R-22 as raw materials.
    ◇ The 1,1,1,2-tetrafluoroethane (R-134a, CH2FCF3) manufacturing technology.
    ◇ The 1,1,1,2,2 - pentafluoroethane (R-125, CHF2CF3) manufacturing technology.
    ◇ The Hexafluoropropylene (HFP, CF3CFCF2) manufacturing technology.
    ◇ The Polytetrafluoroethylene (PTFE) manufacturing technology.
    ◇ The 1,1,1,2,3,3,3-Heptafluoropropane (R-227, CF3CFCF3) manufacturing technology.
    ◇ We can also develop production technology and techniques of other fluorine chemical products in accordance with customer requirements.

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TEL:+86-570-3865782  SITE:www.dshtech.cn ADD:NO.75 ,Fushi Road,Quzhou City,Zhejiang Province,China
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