Product Details
Brass parts are widely used in many industries due to their excellent mechanical properties, corrosion resistance, conductivity and machinability. Here are some of the industries that most commonly use brass parts:
Plumbing industry: Brass parts are widely used to manufacture faucets, valves, pipe fittings, sanitary ware, etc.
Electronic and electrical industry: used to manufacture connectors, contactors, relays, switches, terminals, plugs and sockets, etc.
Mechanical and automation industry: Brass parts are used to manufacture bearings, gears, bushings, screws, nuts, oil nozzles, etc.
Automotive industry: Brass parts are used in parts of the fuel system, cooling system, brake system, etc. of the car.
Construction industry: used for door and window hardware, locks, decorative parts, handrails and other architectural hardware products.
Musical instrument manufacturing: Brass is the preferred material for manufacturing musical instruments such as horns, trumpets, trombones, etc.
Jewelry and decoration industry: Brass is often used to manufacture jewelry and decorations because of its beautiful luster and plasticity.
Military and aerospace industry: used to manufacture ammunition shells, instrument parts, connectors, etc.
Navigation and shipbuilding: Brass parts are used in ship piping systems, valves, pumps, etc.
Chemical industry: In environments with high corrosion resistance requirements, brass is used to manufacture pipes, valves, pumps, etc.
Instrumentation industry: Brass is used to manufacture instrument housings, dials, connectors, etc.
CNC Machined Parts Surface Treatment.
(1) Physical surface treatment: sandblasting, wire drawing, shot blasting, polishing, rolling, polishing, brushing, spraying,painting, powder spraying, silk screen printing, pad printing, water transfer printing, electrophoresis, etc.
(2) Chemical surface treatment: bluish blackening, phosphating, pickling, electroless plating, TD treatment, QPQ treatment, carburizing, nitriding, chemical oxidation, passivation, etc.
(3) Electrochemical surface treatment: anodic oxidation, hard anodic oxidation, electrolytic polishing, electroplating, etc.
(4) Modern surface treatment: chemical vapor deposition CVD, physical vapor deposition PVD, ion implantation, ion plating, laser surface treatment, etc.

Material | 1) Aluminum: AL 6061-T6, 6063, 7075-T etc. |
2) Stainless steel: 303,304,316L, 17-4(SUS630) etc. |
3) Steel: 4140, Q235, Q345B,20#,45# etc. |
4) Titanium: TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc. |
5) Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90) etc. |
6) Copper, bronze, Magnesium alloy, Delrin, POM,Acrylic, PC, etc. |
Finish | Sandblasting, Anodize color, Blackenning, Zinc/Nickl Plating, Polish. |
Power coating, Passivation PVD, Titanium Plating, Electrogalvanizing. |
Electroplating chromium, electrophoresis, QPQ(Quench-Polish-Quench). |
Electro Polishing,Chrome Plating, Knurl, Laser etch Logo, etc. |
Main Equipment | CNC Machining center(Milling), CNC Lathe, Grinding machine. |
Cylindrical grinder machine, Drilling machine, Laser Cutting Machine,etc. |
Drawing format | STEP,STP,GIS,CAD,PDF,DWG,DXF etc or samples. |
Tolerance | +/-0.01mm ~ +/-0.05mm |
Surface roughness | Ra 0.1~3.2 |
Inspection | Complete inspection lab with Micrometer, Optical Comparator, Caliper Vernier,CMM. |
Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge. |
Capacity | CNC turning work range: φ0.5mm-φ150mm*300mm. |
CNC milling work range: 510mm*1020mm*500mm. |

Delivery date?
Usually 20-35 days after receiving deposit, specific delivery date based on order quantity.
What's your payment terms?
Regularly doing 30% deposit and 70% balance by T/T, Western Union,Paypay, other payment terms also can be discussed based on our cooperation.
How to control your quality?
We have professional QC team, control the quality during the mass production and inspect the completely goods before shipping.
If we don't have shipping forwarder in China, would you do this for us?
We can offer you best shipping line to ensure you can get the goods timely at best price.
I never come to China before , can you be my guide in China?
We are happy to provide you one-stop service,such as booking ticket,pick up at the airport,booking hotel, accompany visiting market or factory......
If you can send me a sample ?
Yes,we can send you the sample for checking our quality, you need pay sample fee,we will refund to you once you place the order from us,this is to show the sincerity of business cooperation,it's also our company's rule.
Company Profile
Dongguan Zhongwei Metal Products Co., Ltd. is a leading
manufacturer specializing in the production of precision CNC
Milling Parts. Established with a commitment to excellence and
innovation, we have earned a reputation for delivering
high-quality, customized solutions to meet the diverse needs of our
clients across various industries.
Our team of skilled engineers and technicians, with extensive
experience in the field, are dedicated to ensuring every stage of
the production process, from design to finished product, meets the
highest standards of quality. We offer comprehensive services,
including but not limited to, 3D modeling, tool path programming,
material selection advice, and rigorous quality control
inspections, ensuring that our CNC milling parts exceed our
clients' expectations.
Dongguan Zhongwei Metal Products Co., Ltd. prides itself on its
flexibility and ability to tackle complex projects. Whether it's
prototyping for new designs, small-batch production, or large-scale
manufacturing, we have the expertise and resources to deliver
timely and cost-effective solutions. We work closely with our
clients to understand their unique requirements and provide
tailored recommendations that optimize performance and enhance
efficiency.
Our product portfolio encompasses a wide range of CNC milling parts
utilized in diverse applications such as automotive components,
aerospace parts, medical devices, electronics, and more. By
adhering to strict international standards and maintaining a focus
on continuous improvement, we guarantee the reliability and
durability of our products.
At Dongguan Zhongwei Metal Products Co., Ltd., we believe in
fostering long-term partnerships with our clients. Our dedicated
customer service team is always available to provide support,
answer queries, and ensure seamless communication throughout the
project lifecycle. With a strong emphasis on integrity, quality,
and innovation, we strive to be the preferred partner for all your
CNC milling needs.
Join us in driving precision manufacturing to new heights. Contact
Dongguan Zhongwei Metal Products Co., Ltd. today to discuss your
project requirements and experience the difference that precision
and dedication make.