China Precision CNC Machining Part Manufacturer Junying Offers Custom CNC Machining Parts, Tolerance ±0.01mm, OEM/ODM Services Available.
Capability: 
Small Parts Assembly and Sub-Assembly. 
Shapes in Squares, Rounds or According to Custom Orders. 
Internal & External Grinding, Tolerance ±0.01mm. 
Multi-axis Machining & Rotary Transfer Units with CNC Attachments. 
Precision Machining With Out Diameter from 2mm to 90mm and Inner Diameter as Small as 0.30mm, Tolerance ±0.01mm. 

Materials: 
Stainless Steel: 303, 304, 316, 316L; 
Alloy Steel: 1010, 1020, 1045, 12L14; 
Aluminum: ASTM 6061-T651, 2011-T3, 7075-T651; 
Brass: GB Hpb 59-1, H62, H63; 
Other materials. 

Surface Treatment: 
Heat Treatment. 
Irridite / Chemical Film / Conversion Coating. 
Anodizing Treatment. 
Plating with Nickel, Electroless Nickel, Zinc, Chromate, Dichromate, Tin, etc. 

As Customers' Requirements.