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Research and Development

SinoSi Experts & Professional Specialists

We have a team of professional specialists / experts in geological, mineral and processing of silica field who have 10 to 20 years research, testing and production experiences in respective institutions, mines and factories all over China. Their profounded theory and successful practical operation experience, has been unanimously recognized and highly regarded in the field. They have reached mineralogy, mining, picking, chemical industry, metallurgy, mechanics, instruments, analysis and other special areas.
We have been developed and merchandised 16 series, more than 300 types of products, and our users spread over 20 more countries and areas. The 99.995% silica sands and 99.9% nanometer silica powder which SINOSI developed are the top products in the world¨s silica industry. They are the state-of-art milestone in this field. SINOSI is also one of the best raw materials suppliers of the World¨s IT industry. The birth of this type of hyper-pure-silicon materials, has built a solid foundation for the further development of world¨s IT industry. Along with the rapid development of IT industry, SINOSI is challenging the highest peak of world¨s technology with his top performance.

SINOSI Silica Mine Resources

Our mines cover the provinces of Hebei, Jiangsu, Sichuan, Tibet, Gansu, Shanxi, Anhui, and Jiangxi provinces in China. At the mean time, we also choose some mine sites in India and Vietnam etc. The contain of the silica mine sites for which we have and share mining licenses is more than 500,000,000 Metric Tons and 8,000,000metric tons of them can reach the grade of crystal.

SinoSi Silica Material Products

SINOSI can supply mainly 16 series and over 300 types of products in silica material products with competitive marketing value. Some products list as below:
1. 100,000 ton/year silica mine with SiO2 more than 99%
2. 1,000,000 ton/year silica sand with SiO2 more than 95% for glass industry.
3. 30,000 ton/year high purity and fined sand with SiO2 more than 99.9%
4. 10,000 ton/year top purity silica material with SiO2 more than 99.9%
5. 30,000 ton/year fused silica block and powder
6. 50,000 ton/year crystal, fused silica powder and silicon metal powder
7. 10,000 ton/year quartz tube, rod, disc, etc.
8. 30,000 ton/year silicon metal and Ferro Silicon
9. Several ten thousands of tons of Kaolin clay , barytes, Rock Phosphate and many other non-metallic materials base

SinoSi Responsibility of R&D

SINOSI has expertise and experience of successful producing and merchandising silica materials for many years. We have well-established business cooperation with domestic and international silica material users. While we are fully aware of the technology and marketing of world¨s silica material industry, we realized that the quality of silica materials, especially the purity and particle size of silica material has become one of the biggest barriers of the further development of silica material¨s technical performance. For instance, computer is the base product of world¨s IT industry, and COMS chip is the heart of computer. The core indexes of technical specification like quality of COMS chip, technical performance, and calculating speed, are not only lie on the mechanics of production, but also the materials of them. Therefore, developing and producing high-purity, super-fined and spherical silicon material has become the ultimate motivity and responsibility of SINOSI.

SinoSi Method of R&D

SINOSI is supported by domestic and international technical institution, such as former Ministry of Geology & Mineral Resources of China, Ministry of Chemical Industry, Chinese Academy of Geological Sciences, Chemical Industry Research Institute, Physical and Chemical Analysis Institution of MGMRC, National Silica glass Center for Physical and Chemical Analysis and other scientific research institutions. Using the advanced experiences of exploration, mining and picking mechanics, handling the core sample to purifying refine process by mathematical models, Online QCS testing and controlling of products with instruments of millionth to billionth precision, we produced high-purity super-fined silica material.

SinoSi Testing Method

SINOSI utilizes highly restricted testing and analyzing method. Below listed several generally adapted methods:
1. Pre-test before mining and determine mining area. To ensure the quality of silica ore, we mine by certain orientation, position, quantity
2. Inspect the silica ore by Quality Control System (QCS) on line and control the purity of products. Ensure the quality of the products in inventory.
3. Quality / Cost controlled during production process.
4. All products must be inspected before leaving the factory to ensure the product quality.

SinoSi Analysis Instruments

1. Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
2. Inductively Coupled Plasma Atomic Emission Spectrometry;(ICP-AES)
3. Neutron Activation Analysis (NAA)
4. Atomic Absorption Spectrometry (AAS)
5. Atomic Fluorescence Spectrometry (AFS)
6. Moleccular Spectroscopy (MS)
7. X-Ray Fluorescence Spectrometry (XRF)
8. Ion Chromatography (IC)
9. Polarography, Ion Selective Electrodes and Other Electro-Chemical Analysis Techniques.

SinoSi New Products

We are currently researching and developing a new type of silica material which is of Top Purity silica .The purity of SiO2 will be up to 99.999% and that will be will be 99.995% when mass produced; High purity fused silica powder, particle size will be reach to 0.15um and that will be 0.5um when mass produced.

We, SINOSI welcome all exports and specialists in this field to join our Sino Surplus Team. If you feel any interesting, please kindly contact our Human Resources Dept.


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Sino Surplus International Limited
Sinosi Sci-Tech Beijing Co., Ltd.
Sino Silica Beijing Co,.Ltd.