High Precision Pump Impeller with Drawings for Manufacture

We can offer you investment casting parts, railway casting parts, railway parts, excavator machinery parts, mining machinery parts, engineering machinery, agricultural machinery parts, sand casting, bucket tooth, auto parts, stamping & forging, and valve parts. We are capability in manufacture non-standard metal machining.



1. Investment casting sand casting/ lost wax casting/precision casting/gravity casting/stainless steel casting/carbon steel casting/ die casting/cookware handle casting/pan handle casting/home hardware casting;
2. Materials: Carbon steel, stainless steel, alloy steel and duplex steel, wcc, wcb, lcc, color metal etc;
3. Surface treatment: Heat treatment, machining, polishing, anodizing, hard anodizing, galvanized, enp, chrome plating, powder coating and painting;
4. Software for specification drawings: Pdf, auto CAD, solid work, proe;
5. Main production equipments: Wax injection, CNC-machine, heat treatment furnace;
6. Quality assurance in accordance with ISO9001: 2008, strict material inspection and exact dimension control, 100% quality control.
7. OEM order is welcome;
8. The parts can be made completely based on your specifications such as drawing, design, sample etc.
9. Export Markets: Australia Investment Casting / Precision Casting, America, United States. U. S. A. Investment Casting / Precision Casting, Canada Investment Casting / Precision Casting; U. K. England, Britain Investment Casting / Precision Casting, Germany



Q: Why choose Shengao product?
A: We shengao have our own plant-- Weifang Shengao machinery Co., Ltd, therefore, we can surely promise the quality of every product and provide you comparable price.

Q: Do you provide OEM Service?
A: Yes, we provide OEM Service.

Q: Do you provide customized forging products?
A: Yes. Customers give us drawings and specifications, and we will manufact accordingly.

Q: What is your payment term?
A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.


If there's anything I can help, please feel free to contact with me.
Item Material Technical Process
1 Ductile iron
castings ASTM A 536-Gr.60-40-18,65-45-12,80-55-06,80-60-03;
DIN-GGG40,GGG50,GGG60,GGG70;
JIS-FCD40,FCD50,FCD60,FCD70;
BS-Gr370-17,Gr420-12,Gr500-7,Gr600-3,Gr700-2;
NF-FGS370-12,FGS400-12,FGS500-7,FGS600-3,FGS700-2; Green-sand moulding
Resin-sand moulding
Lost foam cast
Shell-core cast
Electric-furnace smelting
2 Grey iron
castings ASTM A48-No.20,25,30,35,40,45,50;
ASTM A126-Class A, Class B, Class C;
DIN-GG10,GG15,GG20,GG25,GG30,GG35;
JIS-FC10,FC15,FC20,FC25,FC30,FC35;
BS-Grade 150,180,220,260,300,350;
NF-FGL150,FGL200,FGL250,FGL300,FGL350; Green-sand moulding
Resin-sand moulding
Lost foam cast
Shell-core cast
Electric-furnace smelting
3 Carbon steel
castings ASTM A216-Gr. WCB, Gr. WCA, Gr. WCC;
ASTM-415-205, 450-240, 485-275, 80-40;
DIN- GS-C25(1.0619), GS-38(1.0416),
GS-45(1.0446), GS-52(1.0552), GS-60(1.0558);
JIS-SC410, SC450, SC480, SCC5;
BS-A1, A2, A5;
NF-GE230, GE280, GE320, GE370 Soluble glass sand moulding
Resin-sand moulding
Lost wax casting
(Investment casting)
Lost foam cast
Shell-core cast
Electric-furnace smelting
4 Stainless steel
castings ASTM-CF-8M, CF-8, CA-15, CA-40, 316, 304;
DIN-G-X6CrNi18 9(1.4308), G-X7Cr13(1.4001)
G-X20Cr14(1.4027), 1.4408;
JIS-SCS13, SCS 1, SCS 2, SCS 14A;
BS-304C15, 410C21, 420C29, 316, 304;
NF-Z6CND18.12M, Z6CN18.10M, Z12C13M, Z20C13M Soluble glass sand moulding
Resin-sand moulding
Lost wax casting
(Investment casting)

Electric-furnace smelting
5 Alloy steel
castings DIN-GS-40Mn5(1.1168), GS-20Mn5(1.1120);
GS-37MnSi5(1.5122), GS-34CrMo4(1.7220);
JIS-SCMn3, SCW480, SCSiMn2, SCCrM3, SCMnCR3;
ASTM-LCC
UNS-J02505, J13048
NF-G20M6, G35CrMo4 Soluble glass sand moulding
Resin-sand moulding
Lost wax casting
(Investment casting)
Electric-furnace smelting