The Huawang HI-PRESSURE VESSEL CO., LTD. beginning constructed in 1986, was the Country Engineering supervision Bureau boiler, the pressure vessel fixed-point production unit, the boiler manufacture permit (TS2110387-2010), pressure vessel manufacture permit (RZZ Lu - 104-2006Kind), pressure vessel design qualifications card (serial number: TS1237007-2007), the pressure piping installs the permit (to number GZ120-08 the GB2 level, GC2 level), the municipal building quality certificates (Number:...
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