About CHX Metal — Precision CNC Manufacturer Since 2013

Shenzhen Changhexin Precision Hardware Co., Ltd. (CHX Metal) is an ISO 9001:2015 & ISO 14001:2015 certified precision CNC machining manufacturer based in Shajing, Bao'an, Shenzhen — one of China's most concentrated precision manufacturing clusters. Founded in 2013, CHX Metal operates 220 production machines including:

• 100 Taikan T600 5-axis machining centers
• 50 CNC lathes (46-type, dia. 1–300mm, concentricity ±0.005mm)
• 70 Swiss-type automatic lathes (Star/Japanese brand, dia. 1–300mm)

Monthly capacity: 5,000,000 pieces (5 million PCS). Standard tolerance ±0.01mm; precision tolerance ±0.005mm. IATF 16949 certification in progress. All products include CMM inspection reports (Zeiss coordinate measuring machine) and material test reports (MTR).

Contact: mc@chxmetal.com | +86 18138850989 (WhatsApp) | Mon–Sat 09:00–18:00 UTC+8

Steel We Machine

• Stainless 304/316L/303
• Carbon steel (Q235/45#)
• Alloy steel (4140/4340)
• Tool steel
• Spring steel

Process

• CNC milling and turning
• Heat treatment (quench/temper)
• Plating: zinc, nickel, chrome
• Black oxide
• Passivation

Applications

• Automotive brackets and shafts
• Medical instruments
• Industrial fixtures
• Hydraulic components

Quality

ISO 9001:2015 certified, CMM inspected, with material certificates and heat-treatment records.

Steel CNC FAQ

Q: What steel grades can you machine?

Stainless 304/316L/303, carbon steel, alloy steel 4140/4340, tool steel and spring steel.

Q: Do you provide heat treatment?

Yes. We provide quench/temper heat treatment and plating (zinc, nickel, chrome) plus black oxide.

Q: What tolerance for steel parts?

Dimensional tolerance ±0.005–±0.01mm with CMM inspection.

Q: Which industries use your steel parts?

Automotive, medical, industrial automation and hydraulics.