Densen Customized High Quality Sand Casting Copper Shell Valve Body Copper Parts Precision Components

• Customization: Available
• Type: Clay Dry Sand
• Casting Method: Thermal Gravity Casting
• Model NO.: Customized
• Sand Core Type: Resin Sand Core
• Application: Machinery Parts
• Machining: CNC Machining
• Material: Aluminium & Aluminum Alloy
• Surface Treatment: Polishing
• Surface Roughness: Ra1.6
• Standard: GB
• Certification: CE, ISO 9001:2008
• Process: Sand Casting and Machining
• Place of Origin: Shenyang China (Mainland)
• Forging Parts Weight: 0.355kg
• Tolerance: According to Drawings
• QC Documents: Material and Dimension Report as Normal
• Specification: Densen Customized
• Trademark: Densen Customized
• Origin: China (Mainland)
• Production Capacity: 10000 Pieces / Month

Product Description

Company Information

Features of Densen Group simply summarized as below:

1. Trusted supplier of steel, iron & non-ferrous components;

2. Extensive documented quality program in place. 

3. Castings, forgings, stampings, machining, welding & fabrication services.

4. 9 related factories, over 50 joint-venture sub-contractors.

5. 25+ years of manufacturing experiences, 10+ years of exporting experience

6. 100% of products sold to overseas customers.

7. 50% of customer base is forturne 500 companies. 

Processing support

Casting Service:

Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify. 

Densen Group offers multiple investment casting, sand casting, permanent casting, die casting, low pressure casting, ESR casting, lost foam casting, etc. Material can be handled include steel, iron, non-ferrous. Single component weight range is from 0.01Kg to 150 tons separately. 

Forging Service:

Forging is a manufacturing process involving the shaping of metal using localized compressive forces. Densen Group offers open die forging, closed die forging and ring forging services. Material can be steel, iron and non-ferrous. Material can be handled include steel, iron, non-ferrous. Single component weight range is from 0.1Kg to 50,000Kgs.

Stamping Service:

Stamping (also known as punching) is the process of placing flat sheet metal in either blank or coil form into a stamping press where a tool and die surface forms the metal into a net shape.

More than 60 sets stamping equipments, is the designed supplier for several famous bands automotive companies, has the full ability to offer whole processes from blanking, stamping, welding, to electrostatic spraying for worldwide customers.

Welding & Fabrication Service: 

Welding Frabrication is the fabrication process of metal structures by cutting, bending, then assembling the components together through welding 

Densen Group offers manual arc welding ,laser welding and robot welding etc. UT, MPT,RT,PT all are available used for inspection, WPS &PQR (Welding Process Specification& Procedure Qualification Records) before production is available under clients' requirement.  

Machining Service: 

Machining is any of various processes in which a piece of raw material is cut into a desired final shape and size by a controlled material-removal process. 

More than 60 sets precision machines incl. CNC center, boring, milling, lathing, etc., and more than 300 inspection instruments incl. 3 sets CMM with grade μm. Repeated tolerance can be maintained as 0.02mm. Meanwhile awarded by certificates ISO9001-2008; ISO/TS16949. 

3rd Party Inspection:

Densen Group worked as 3rd party inspection center besides its sister factories or sub-contractors' self inspection, Offers process inspection, random inspection and before delivedry inspection services for material, mechanical, inside defects, dimentional, pressure, load, balance, surface treatment,  visual inspection and test. Weekly project follow-up report together with pictures and videos, full quality inspection documentation available. 

Densen Group also designed as 3rd party inspection representative for several customers when their products made by other suppliers.