Paint Surface, Carbon Steel, Forging, CNC Machining Part

• Customization: Available
• Certification: CE, ISO
• Color: Customized
• Customized: Customized
• Standard: International
• Type: Transmission
• Material: Stainless Steel
• Surface Treatment: Anodizing, Plating, Nitriding, etc.
• Transport Package: Customized
• Specification: Customized
• Origin: China

Product Description

Specification

Production process	-Free forging
	-Drop forging
Materials available	Material: stainless steel, carbon steel, alloy steel, and other material available S45, 40Cr, 42CrMo Raw material form: Steel Ingot, Steel Plate, Steel Bar
Available Drawing Format	PRO/E, Auto CAD, Solid Works , UG, CAD / CAM / CAE
Processing capacity	Free forging: 1-500 KG Drop forging: 0.5-70 KG
Secondary machining	Drilling, Milling, CNC turning, Grinding, Wire cutting, EDM & etc.
Dimension&Tolerance Precision	Can be customized.
	+/- 0.005 - 0.01mm
Surface treatment	Paint, Polish, Anodize, Electronic plate, Sandblast, Brush, Heat treatment, etc.
Testing and inspection capability	CMM, Projector, Height gage, Calliper, Hardness tester, etc.
Standard	GB, ASTM, AISI, DIN, JIS and so on
Application	Automotive/Appliances/Bicycle/Motorcycle/Industry/Equipment, etc.
Certificates	ISO9001&IATF16949 & ROHS

 Main products: Metal parts (made by casting, forging, stamping, machining ,metal fabrication)

Main market: Europe, America, Australia, South Africa, Southeast Asia, China mainland

Customers: Automobile, Medical, Offshore, infrastructure, Agriculture machinery

Principle:  Timely response, good quality, cost effective, professional service

 

PROCESS & MATERIAL

Sand casting &Machining (Aluminum, Cast-iron, Ductile cast-iron, Malleable cast-iron )

Investment casting&Machining (Stainless steel, Alloyed steel, Carbon steel)

Die casting &Machining (Aluminum, Zinc, other material suitable for die casting process) 

Precision machining from Bar/Tube material (Steel, aluminum, brass, etc.)

Metal Fabrication (Carbon steel, aluminum, etc.)

Forging&machining (Carbon steel, Stainless steel, Aluminum, etc.) 

Surface Treatment (Anodizing, Plating, Nitriding, HDG, Zn Ni coating, Electrophoresis, Phosphating, etc.)

Company Profile

QINGDAO HILIEN

Qingdao Hilien Machinery Co., Ltd. specializes in manufacturing metal parts for automotive, agricultural, construction, and offshore industries. Our precision CNC services, including milling, turning, EDM, and grinding, ensure high accuracy and fast turnaround. Supported by a skilled team and advanced technology, we deliver cost-effective, scalable solutions. With over 60 advanced processing equipment, we handle casting, forging, machining, welding, and Various surface treatment, catering to both small and large-scale production needs. Partner with Hilien for competitive pricing, superior quality, and reliable service. Visit us to explore how we can meet your project requirements.

QUALITY CONTROL

inspeciton process

IATF 16949 Certification

Qingdao HILIEN has achieved IATF 16949 certification, demonstrating its commitment to top-tier quality control in automotive manufacturing. This certification ensures compliance with strict global standards, improving product reliability and customer trust.
 **Enhanced Quality Management** – Systematic processes minimize defects and ensure consistency.  
 **Efficiency & Cost Reduction** – Streamlined operations reduce waste and errors.  
By aligning with IATF 16949, HILIEN strengthens its reputation for excellence and continuous improvement. 

FAQ

Q: Are you a factory or a trade company?

A: We are a professional processing and machining factory located in Qingdao, China(Mainland).

 

Q: Do you make customized products based on our design drawings?

A: Yes, we are a professional metal fabrication factory with an experienced engineering team to make custom products according to clients' drawings.

 

Q: What is the MOQ?

A: Usually we don't set MOQ, but the more, the cheaper. Besides, we are happy to make prototype or sample for clients to ensure quality standard.

 

Q: Will my drawing be safe after you get it?

A: Yes, we will not release your design to third party unless with your permission. And we can sign the NDA before you send the drawing.

 

Q: How fast can the samples be finished?

A: Generally 5-7days, according to your drawing and requirements, we have team for prototyping.

 

Q: What kind of parts can we source from your factory?

A: We're flexible enough to offer what you want, we have many good partners which can offer one-stop service

 

Q: How's your quality system?

A: We have ISO9001 certification as well as follow IATF16949 requirement, PPAP is available for automotive products