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| when the company founded, we have aimed to content the market's needs. In order to satisfy customers' different sorts of requirement, we have carried out the numeral management in the material accommodated in certain place, and controlling of columnar of melting, analysis of average granularity, pressing shape and pressure, sintering temperature, processing and packing requirement. Test Norm and Content 1.Blank Test: Content: composition of each kind of raw material, the chemical composition, the content of oxygen and the steel ingot, the content of oxygen of powder, the distribution of powder granularity, the pressing model dimension, the density, the size, the magnetic properties of semi-product. 2、Product Test Semi-product Test: each process hand over and take over, we must test the product carefully so as to keep the quality well controlled. Product Test: Coating: sides fallen product, sand holes, cutting mark, black cover, fragments, crack and size. Coating: pockmarked face, dirty coating, defective coating, outwards, size, crack, sand holes, coating layer, thickness of coating, salt fog spray test, magnet properties. |
Beijing Topmag Magnet Co.,Ltd (BTM) |
Add：Industry Park of Yang Fang Town, Chang Ping District, Beijing, China |
Tel：+86-10-69761171 69764684 |
Fax：+86-10-69761170 |
| Address：40 Dalhurst PL N.W Calgary,AB,Canada,T3A 1N2 |
| Tel：+1-403-397-8918 |
| Fax：+1-403-547-8959 |
| E-mail: ptiancn@hotmail.com |
| kinkman:Peter W.Tian |
| Compang Name:Datar Engineering & Consultancy Prt.Ltd. |
| Address:Plot No.14,S.NO.128/4,Sanewadi,Off ITI Road,Aundh,Pvne-411007,Maharashtra State,India |
| Tel:+91-20-25885280 |
| Fax:+91-20-25883213 |
| Person:Dr.N.S,DATAR |
| E-mail:dale@Pn2.vsnl.net.in |
| http://www.btmmagnet.com |