Precision Metal Stamping Dies | Custom One-Stop Manufacturing Solutions - Qingdao Xinlongji
Founded in 2012, Qingdao Xinlongji Metal Manufacturing Co., Ltd. is located in Qingdao, Shandong Province, a key industrial and port city in China. As a professional integrated enterprise of industry and trade, we integrate R&D, production and sales, dedicated to providing global customers with one-stop manufacturing solutions from precision metal stamping die design and fabrication to finished components. With over a decade of extensive experience in the metal stamping die industry, we have established a solid reputation among international clients by virtue of our professional technical team, strong production capacity, rigorous quality management system and comprehensive service capabilities.
Core Business: Custom Metal Stamping Die Design & Fabrication
We specialize in the customized design and manufacturing of high-precision metal stamping dies, which are core equipment for sheet metal forming processes. Our metal stamping dies boast the core function of realizing precise blanking, bending, forming, piercing and other processes for various metal parts, ensuring consistent dimensional accuracy and excellent surface quality of the stamped products. Backed by a professional technical team of 35+ engineers and technicians, we leverage advanced CAD/CAM/CAE software (including UG, AutoCAD and SolidWorks) to conduct in-depth process simulation and structural optimization at the design stage, effectively avoiding potential defects in mass production. These dies are widely applied in automotive, electronics, home appliances, hardware, agricultural machinery and other key industries. We are committed to providing tailored die solutions that match the specific production needs of each client, with the advantages of high durability, long service life and high production efficiency.
Production Process & Supporting Technologies
Our metal stamping die production follows a strict and standardized workflow to ensure product quality and delivery efficiency: 1. Demand Communication & Design (confirm client requirements, conduct product process analysis, 3D die modeling and stamping process simulation); 2. Raw Material Selection & Cutting (adopt high-quality alloy steel and other suitable materials, implement precision cutting via CNC flame cutting equipment);3. Precision Machining (carry out CNC milling, grinding, EDM, wire cutting and other processes to ensure the machining accuracy of die components);4. Assembly & Debugging (skilled technicians perform manual assembly, conduct multiple rounds of debugging and trial stamping to optimize die performance); 5. Quality Inspection & Delivery (use coordinate measuring machines (CMM) and other precision testing equipment for comprehensive inspection of die dimensions and performance). In addition to metal stamping dies, we also provide supporting processes such as sheet metal forming, welding, surface treatment and finished product assembly, enabling clients to enjoy integrated manufacturing services.
Common Problems & Solutions in Metal Stamping Die Production
• Problem 1: Dimensional deviation of stamped parts - Solution: Optimize the die structure design through CAE simulation, improve the machining precision of die core components by using high-precision equipment, strictly control the assembly gap of the die, and conduct real-time monitoring and adjustment during the trial stamping process.
• Problem 2: Surface defects of stamped parts (scratches, indentations) - Solution: Polish the working surface of the die to a high finish, apply wear-resistant and lubricating coatings, select appropriate stamping lubricants, and strictly control the surface quality of raw materials.
• Problem 3: Short service life of the die - Solution: Select high-quality wear-resistant materials (such as Cr12MoV alloy steel) for key die components, implement scientific heat treatment processes (quenching and tempering) to improve material hardness and toughness, and optimize the die structure to reduce stress concentration.
Product Classification & Technical Specifications
1. Product Classification by Industry, Material & Part Type
Application Industry | Processed Materials | Part Type | Remarks |
Automotive | Carbon steel, aluminum alloy, stainless steel, galvanized steel | Automotive door hinges, engine brackets, fuel tank parts | High precision requirement (±0.01mm), strong structural strength |
Electronics | Copper, aluminum, thin stainless steel (0.1-1.0mm) | Electronic connector terminals, battery shells, micro-component brackets | Thin material processing, small size, high surface finish |
Home Appliances | Cold-rolled steel, aluminum alloy, brass | Refrigerator door handles, washing machine inner drum parts, air conditioner fins | Cost-effective, mass production applicable, good corrosion resistance |
Agricultural Machinery | High-strength carbon steel, alloy steel | Tractor engine parts, harvester cutting components | Strong wear resistance, suitable for harsh working environments |
2. Technical Specification Parameters
Parameter Item | Specification | Remarks |
Processing Precision | Key dimensions: ±0.005mm; General dimensions: ±0.02mm | Inspected by CMM to ensure stamping part accuracy |
Material Range | Carbon steel (Q235, Q345), alloy steel (Cr12, Cr12MoV), stainless steel (304, 316), aluminum alloy (6061, 5052), copper, brass, galvanized steel, cold-rolled steel; Material thickness: 0.1mm - 15mm | Support custom processing of special materials |
Surface Treatment Options | Electroplating (zinc, nickel, chrome), powder coating, painting, galvanizing, polishing, passivation, anodizing | Tailored to client needs and application environments |
Minimum/Maximum Size | Minimum: 5mm × 5mm × 0.1mm; Maximum: 2000mm × 1500mm × 100mm | Covers micro-precision parts and large structural parts |
Production Cycle | Sample die: 7-15 working days; Mass production die: 20-45 working days; Urgent order: 5-10 working days (available with additional fee) | Depends on die complexity and order quantity |
Our Core Competitiveness
• 10+ Years of Industry Experience: Established in 2012, we have accumulated rich experience in metal stamping die design and fabrication, serving more than 200 clients from over 40 countries around the world, with a customer retention rate of over 85%.
• Professional Technical Team: A team of 100+ engineers and technicians with an average of 8+ years of industry experience, proficient in advanced design software and complex stamping process optimization, capable of providing professional technical support for custom projects.
• Strong Production Capacity: Our factory covers an area of 12,000 square meters, equipped with 100+ sets of advanced production and testing equipment (CNC milling machines, EDM machines, wire cutting machines, CMM, etc.), with an annual production capacity of 2,000+ sets of metal stamping dies.
• Strict Quality Management System: Certified by ISO9001:2015 and IATF16949 (automotive industry quality management system), we implement full-process quality control from raw material incoming inspection to finished product delivery, ensuring product quality stability.
• Improved Supply Chain: Cooperate with reliable domestic raw material suppliers to ensure stable supply and consistent quality of raw materials; integrate upstream and downstream resources to realize cost optimization and timely delivery.
• Global Service Capabilities: Cooperate with well-known international logistics companies (Maersk, COSCO) to provide efficient and safe global shipping services; offer a 12-month quality guarantee for all metal stamping dies and 24-hour online technical support to solve after-sales problems promptly.
Customer Case: Metal Stamping Die Project for Southeast Asian Home Appliance Client
Our client is a large home appliance manufacturer in Thailand, specializing in the production of washing machines and refrigerators. They faced problems with their original metal stamping dies for washing machine inner drum parts, including low production efficiency (only 400 parts per hour) and high scrap rate (over 6%), which seriously affected their production schedule and cost control. In 2021, they partnered with us to customize a set of high-efficiency metal stamping dies.
Our technical team first conducted a detailed analysis of the client's washing machine inner drum part drawings and production line parameters, using SolidWorks software to build a 3D model of the stamping die and simulate the stamping process. We optimized the die's feeding system and stamping station layout to improve production continuity, selected Cr12MoV alloy steel as the die material, and implemented a strict heat treatment process to enhance the die's wear resistance. During the assembly and debugging stage, our technicians adjusted the stamping pressure and gap for multiple times, and conducted a 24-hour continuous trial stamping test to ensure the die's stable performance.
The final delivered metal stamping dies achieved remarkable results: the production efficiency was increased to 900 parts per hour (an increase of 125%), and the scrap rate was reduced to less than 0.8%. The dimensional accuracy of the washing machine inner drum parts fully met the client's quality standards. The client was highly satisfied with our product quality and technical service, and has since established a long-term cooperative relationship with us, with an annual order volume of over 900,000 US dollars.
Why Choose Qingdao Xinlongji?
1. One-Stop Integrated Service: We provide a full range of services from metal stamping die design, fabrication to finished product processing, reducing your communication costs and shortening the production cycle.
2. Proven Technical Strength: Our professional technical team and advanced simulation technology can effectively solve various complex problems in stamping die production, ensuring product quality and production efficiency.
3. Reliable Quality Assurance: International quality system certification and full-process quality control ensure that our products meet global industry standards, minimizing your production risks.
4. Efficient Global Logistics: Relying on the geographical advantage of Qingdao Port and cooperative logistics partners, we can deliver products to global clients in a timely and safe manner.
5. Cost-Effective Solutions: With optimized supply chain and efficient production management, we provide high-quality products at competitive prices to help you improve market competitiveness.
Qingdao Xinlongji Metal Manufacturing Co., Ltd. is committed to becoming a trusted partner for global clients in the metal stamping die industry. We look forward to working with you to achieve mutual development and win-win results. For more information about our products and services, please contact us at any time.
