Precision Manufacturing for Pump & Valve Components
ORROMFG is a precision manufacturer based in Yantai, China, specializing in pump components, valve bodies, and industrial castings. Since 2010, we have served clients in over 30 countries with CNC machined parts, sand castings, investment castings, and forged components.
Our 20,000 m² facility integrates 5-axis CNC machining, sand casting, investment casting, and full quality control under one roof — eliminating the coordination risk of managing multiple suppliers.
Our Capabilities
| Process | Range | Tolerance |
|---|---|---|
| 5-Axis CNC Machining | Up to 600×600×500 mm | ±0.005 mm |
| Sand Casting | 1–500 kg, cast iron/steel/stainless | ISO 185 |
| Investment Casting | 0.01–50 kg, stainless/specialty alloys | CT4-CT6 |
| Forging | Hot and cold, carbon/alloy/stainless | ±0.1 mm |
| Mold Manufacturing | Injection mold cavities and conformal cooling | ±0.005 mm |
Explore Our Products
- Castings — Sand and investment cast pump bodies, impellers, and valve components
- Custom Machining — 5-axis CNC machined parts with tolerances to ±0.005 mm
- Forging — Hot and cold forged components for high-strength applications
- Mold Manufacturing — Precision mold cavities, cooling inserts, and mold base plates
- Stamping & Sheet Metal — Precision stamped parts and sheet metal fabrications
- Non-Metallic Machining — Machined plastic and composite components
Industries We Serve
We provide precision components across 8 key industries, including industrial machinery, automotive & EV, aerospace & defense, medical devices, electronics & semiconductor, power & energy, tooling & mold, and construction & heavy equipment.
Why Choose ORROMFG?
- ISO 9001 certified quality management system
- Direct factory pricing — no middlemen, no markups
- Complete in-house manufacturing from raw casting to finished part
- Fast turnaround — 15–25 days for prototypes, 35–45 days for production
- Material expertise — stainless steel, duplex, Hastelloy, cast iron, carbon steel
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