Precision Forged CNC Machining Parts Seamless CNC Machined Flanges Anti Leak For Mechanical Systems

Qingdao Daao Technology Co., Ltd. is located in Qingdao, Shandong Province. The factory covers an area of 3,700 square meters and features complete production equipment, testing facilities, surface treatment workshops, assembly production lines, and a professional transportation and customs declaration team. We have extensive experience serving industries including wind power generation, rail transit, aerospace, and engineering vehicles.

Our facility operates over 150 production equipment units, including imported and domestic CNC milling machines, CNC lathes, punching machines, grinding machines, laser cutting systems, Sadik wire cutting machines, and drilling machines. We achieve machining precision up to 0.001mm and process various materials including aluminum alloy, stainless steel, titanium alloy, magnesium alloy, zinc alloy, brass, iron, PEEK, POM, PC, and nylon.

Our workforce includes more than 260 long-term employees with China social security coverage and over 150 temporary operators. We maintain 15 design engineers for product development and 20 production engineers for machinery programming and debugging. Each production line is supervised by dedicated team leaders to ensure efficient, high-quality manufacturing.

• 15 years of experience in precision machining, casting, and forging for European and U.S. markets
• OEM & ODM products range: Train parts, engineering plant parts, aircraft parts, machinery parts, auto parts, truck parts, engine parts, agriculture equipment parts, wind power generation accessories
• Processing technologies: Milling, turning, drilling, planing, fitting, boring, grinding, CNC machining, broaching, grinding and honing
• Material standards: ISO, GB, ASTM, AISI, DIN, BS, JIS
• Machining equipment: Over 100 devices including pentahedron gantry, CNC machining centers, gantry machining centers, CNC turning milling compound centers, CNC lathes, wire cutting machines
• Test equipment: Optical Spectrum Analyzer, CMM, hardness test equipment, tensile test machine
• Surface treatments: Polishing, sandblasting, zinc plating, tin plating, nickel plating, gold plating, silver plating, copper plating, alloy plating, spraying, anodizing, electrophoresis
• Heat treatments: Normalizing, annealing, tempering, aging, quenching

• Annual capacity: 400,000 pieces/year
• Certifications: ISO9001 & IATF 16949 certified
• Quality philosophy: "No Compromise"
• Global reach: Serving customers in over 30 countries including Germany, USA, Australia, and Japan

• Material certifications available
• Inspection reports included with every order
• ISO 9001, IATF 16949 & EN15085 certified
• Quality guaranteed with 10% random inspection for orders over 100 pieces

How about the quality of your product?
100% inspection during production and before shipment.

What kinds of machining services do you offer?
Grinding, machining, CNC milling and turning, CNC metal processing, stamping, casting and forging parts, and assembly services.

What materials can you supply?
Carbon steel, alloy steel, stainless steel, brass, copper, and custom materials according to your requirements.

What's the delivery time?
Stock products: 5-7 days after payment. Custom orders: 20-35 days after confirmation of all details.

How to order High Precision OEM and Customized Machining Parts?