... .Total 3 serials, 17",21"&25" CompanyIntroduction1. Our company has advanced technological equipments, all kinds of quality checking ... 16949.4. We have accumulated plenty experience and our company has been expanding by leaps and bounds.5. The ... fittings, ring flange , electromagnetic steel cover, piston, pressure plate, center plate, wear plate, cylinder, impeller, disc etc.3. Nearly 150 varieties of ...