Automotive Parts CNC Machining | Connectors & Sensor Housings
Shenzhen Changhexin Precision Hardware (CHX Metal) manufactures precision components for the automotive industry - liquid cooling quick connectors, sensor housings, structural brackets and fittings. We machine 6061-T6 aluminium, 316L stainless steel and brass for new-energy vehicle and conventional automotive customers.
Overview
| Materials | 6061-T6 / 7075 aluminium, 316L stainless steel, brass |
|---|---|
| General tolerance | ±0.005 mm |
| Sealing face tolerance | ±0.005 mm |
| Leak testing | Pressure decay leak test on sealed assemblies |
| Monthly capacity | 500,000 PCS for liquid cooling connectors |
| Quality system | ISO 9001:2015 / ISO 14001:2015 |
Parts We Machine
- Liquid cooling quick connectors for battery thermal management
- Sensor housings and covers
- Structural brackets and mounting plates
- Busbar and terminal fittings
Batch Consistency
- SPC statistical process control on critical dimensions
- First-article inspection (FAIR) and tool-life monitoring
- Sealing faces machined to ±0.005 mm with pressure decay leak testing
- 220 production machines and 5 million PCS monthly capacity support orders from 500 pieces
Capacity & Quality Control
- 220 production machines: 100 machining centres, 50 CNC lathes, 70 Swiss-type automatic lathes
- 5,000 m2 factory in Shajing, Bao'an District, Shenzhen; 100+ employees
- 5 million pieces per month capacity
- First-article, in-process and outgoing inspection; critical dimensions verified on a CMM
- ISO 9001:2015 and ISO 14001:2015 certified
- Prototype in 3-7 days, mass production in 7-15 days; free DFM feedback
Frequently Asked Questions
What materials do you use for automotive parts? 6061-T6 aluminium for lightweight thermal management parts, 316L stainless steel for corrosion resistance, and brass for fittings. Hard anodizing and passivation are available.
What is your monthly capacity? 500,000 pieces for liquid cooling connectors and 200,000 for sensor housings, with 220 machines in total.
How do you guarantee batch consistency? SPC control, first-article inspection and tool-life monitoring, with sealing faces held to ±0.005 mm and pressure decay leak testing.
How do I request a quotation? Email your drawings (STEP / IGES / DWG / PDF) to mc@chxmetal.com. We reply with price and lead time within 24 hours.