It is high pressure valve housings which used in oilfield frequently. the three interfaces can be used be link other pipes together and transfer. Process: Eastcasting supplies lost wax investment castings, using sodium silicate (water glass) for lower precision items. Equipment: 100~2000 kg medium frequency induction furnaces. Wax injection, wax welding, dipping, sand-coating, shell making, dewaxing, pouring, decoating, cutting and c
[Last Updated: 2009-06-02 01:46:52]