OEM large cast iron casting parts 1. High intensity and rigidity 2. Strict quality control

OEM large cast iron manhole covers

Description	Material	Technical Process
Ductile iron castings	ASTM    A 536-Gr.60-40-18,etc DIN   GGG40,GGG50,700-2,etc JIS    FCD40,FCD50 etc BS    Gr370-17,Gr420-12,etc	Green-sand moulding Resin-sand moulding Lost foam cast Shell-core cast Electric-furnace smelting
Grey iron castings	ASTM   A48-No.20,25,30 etc. DIN   GG10,GG15,GG20,etc JIS   FC10,FC15,FC20,etc BS   Grade 150,180,220,etc NF   FGL150,FGL200,FGL250,etc	Green-sand moulding Resin-sand moulding Lost foam cast Shell-core cast Electric-furnace smelting

   Our company is equipped with complete casting and machining facilities, advanced chemical and physical property analysis and inspection devices, like CMM, Spectrometers, Tension Testers, X-ray testers, MPT, Portable MPT, UT, Impact testers, and Metallographic Microscopes. The equipment is able to meet overall inspection requirements on product quality, chemical, physical properties and non destructive testing.

   "Quality First, Price Best, Service Foremost" is the business principle we always adhere to. We are looking forward to building long-term and cooperative relationships with overseas friends.