We help buyers in North America and Europe source the best quality brass door knobs from reliable Chinese manufacturers. We can have the product designed and manufactured to your requirements at very competitive rates. We work closely with the manufacturer to ensure that all products you receive are of the highest quality.

Typical materials: CW617N and various other brass grades

Brass, due to its nature as a soft metal, can be molded in various shapes and sizes. It is versatile, durable, and long-lasting. It is resistant to corrosion and can withstand extreme temperatures. CW617N has excellent hot forming properties and very high machinability.

CW617N grade brass is used for valves because of its:

• Resistance to corrosion
• Excellent high forming properties
• High machinability rating
• Suitability to brazing and soldering

Material composition:

• 58% copper
• 2% lead additive
• 0.3% maximum iron
• 0.7% maximum impurities
• Remaining zinc

Hot-working temperature range: 650-775°C (1202-1427°F)

Tensile strength: 380 MPa (55 ksi)

Common MOQ: 100 to 10,000 pcs

The minimum order quantity for common or standardized parts is generally higher. Even though MOQs may be negotiated, buyers are advised to be reasonable about the numbers.

Manufacturing methods: Casting, forging, and die casting

• Once the components have been produced, the manufacturer will machine the components to match your exact specifications
• We work with the manufacturer to ensure that you get precise components and intricate parts
• The products come with intricate passages and contours with consistent and repetitive close tolerances
• All door knobs come with accurate and smooth surfaces. All components come with a 125 micro finish but a higher finish is achievable.

Manufacturing cluster area: Ningbo (Zhejiang province)

Ningbo is an important industrial hub in China. Located in the Zhejiang province, textiles, garments, home electric appliances, stationery, plastic machines, auto parts, and mold are some of the main industries in the city.

It is one of the major producers of home electric appliances in China. Ningbo houses over 3,000 home electrical appliance manufacturers and 10,000 factories producing electrical appliances parts and accessories.

The city of Ningbo has been nicknamed the ‘Home of Plastic Machine’ as half of all the plastic machines in the world are produced here. There are nearly 130 plastic machine manufacturers in the city.

The automobile, stationery, and high-end mold industries are also some of the major industries in Ningbo. Ningbo is a significant auto parts production center in China, with over 2,300 manufacturers. The city is also called the Stationery Capital of China, housing more than 800 stationery manufacturers.

Source: China Daily

Application: Aesthetics

Wherever you have doors, you most likely have door knobs. Door knobs are available in many shapes, styles, and finishes. They not only contribute to the aesthetics of the door but also the entire ambiance of your home or office. Besides ensuring your safety and privacy, they also are an essential part of the aesthetics of your decor.

Brass door knobs prevent the buildup of bacteria making it the preferred material for those concerned about hygiene. It is also highly resistant to corrosion, rust-proof, and extremely durable.

Common issues: Surface finish

Our manufacturers in China have in-process quality checks to ensure that the products meet your quality expectations. You’re assured of a smooth finish with no burrs or edges.

Quality Control

Finished products go through the visual inspection queue to make sure they meet the quality standards.