Why Choose DeepLink for Custom Assembly Services
Cangzhou Deeplink International Supply Chain Co., Ltd. delivers complete assembly services from single-part fabrication through multi-component subassemblies to fully finished packaged products. Our 5,000 square meter facility integrates precision fabrication (laser cutting, CNC machining, sheet metal), post-processing (grinding, powder coating, plating), and assembly (welding, mechanical fastening, wire harnessing, testing) under one ISO 9001:2015 certified quality system. Serving automotive, industrial equipment, construction, and consumer product OEMs worldwide since 2015.
Complete Value-Added Service Portfolio
- Rapid Prototyping: 2-3 day turnaround from CAD to functional prototype
- High-Volume Production: 1,000 to 1,000,000+ units per year across sheet metal and machining
- Precision Grinding: Surface, cylindrical, and centerless grinding to Ra 0.2 micrometers
- Surface Grinding: Flatness within 0.005mm on tool steel and hardened components
- Powder Coating: 200+ RAL colors, textured and specialty finishes
- Metal 3D Printing: DMLS/SLM in stainless steel, aluminum, and titanium
- Weldments: AWS/ISO 9606 certified welding of structural assemblies
- Mechanical Assembly: Fastening, wire harnessing, sensor integration, testing
- Packaging and Kitting: Custom retail packaging, industrial crating, DDP global shipping
Custom Assembly Services Services Available at Deeplink
provides one-stop custom metal assembly services
from spot welding and riveting to full mechanical sub-assembly — backed by ISO 9001, SGS-verified quality control and traceable raw materials. Serving OEM buyers across North America, Europe and the Middle East with dedicated project management and 100% pre-shipment inspection.
Custom Assembly ServicesHigh-Volume Production Service
From 5,000 to 500,000+ units, our 1,200 m² facility runs progressive-die stamping, automated CNC cells and robotic welding to hit tight cost targets without sacrificing quality. Every batch shipped with inspection reports, material certificates and traceability records for OEM supply-chain compliance.
High-Volume Production ServiceMetal 3D Printing Service
Our in-house metal 3D printing cell runs DMLS and SLM on 316L stainless, Ti-6Al-4V and AlSi10Mg — with build volumes up to 250 × 250 × 320 mm, layer thickness from 20 μm, and integrated post-machining, heat treatment and surface finishing under one roof. Backed by DFM review and full material traceability.
Metal 3D Printing ServiceRapid Prototyping Service
Fast 2-3 day rapid prototyping for functional metal and plastic parts via CNC machining, sheet metal fabrication, 3D printing, and vacuum casting. Cangzhou Deeplink International Supply Chain Co., Ltd. delivers ISO 9001:2015 certified prototype parts in aluminum, stainless steel, titanium, brass, and engineering plastics. No minimum order quantity (MOQ). Free DFM analysis. Direct-to-production scale-up when ready.
Rapid Prototyping ServiceWhat Are Custom Assembly Services?
Custom assembly services combine multiple fabrication and post-processing operations into a single turnkey supply chain, transforming raw materials or purchased components into finished, ready-to-ship products. Instead of managing dozens of suppliers for cutting, machining, welding, finishing, and final assembly, OEM customers work with one integrated partner like Deeplink to reduce lead times, minimize logistics costs, and ensure consistent quality across every stage of production.
Types of Custom Assembly Services
- Mechanical Assembly: Fastening, riveting, press-fitting, threaded assembly with torque control and traceability
- Weldment Assembly: TIG, MIG, spot, and robotic welding for structural steel, aluminum, and stainless assemblies
- Subassembly Production: Producing modular components (frames, brackets, enclosures) ready for downstream integration
- Wire Harnessing and Cable Assembly: Custom wire routing, terminals, connectors for electromechanical products
- Testing and Inspection: Functional testing, leak testing, dimensional inspection, packaging verification
- Kitting and Packaging: Custom retail packaging, industrial crating, barcoded shipping preparation
Key Advantages of Turnkey Assembly Services
- Single-Source Accountability: One PO, one quality system, one point of contact from raw material to finished product
- Faster Time-to-Market: Parallel processing across fabrication and assembly reduces cycle time 30-50 percent
- Lower Total Landed Cost: Consolidated shipping and reduced inter-supplier logistics cut freight and handling costs
- Quality Consistency: Integrated ISO 9001:2015 system ensures traceability from mill certification to final shipment
- Design Flexibility: DFM support across every stage catches manufacturability issues early
Common Applications of Custom Assembly Services
Custom assembly serves industries including automotive (subassemblies, brackets, exhaust systems), aerospace (structural brackets, engine parts, landing gear components), medical devices (surgical instruments, implants, diagnostic equipment housings), robotics (gear housings, joints, precision arms), semiconductor (chamber components, wafer handlers, precision fixtures), and industrial equipment (hydraulic manifolds, custom fixtures, machinery components).
How DeepLink Custom Assembly Services Work
From CAD file and BOM upload to fully assembled, packaged, and shipped products, our custom assembly workflow ensures accuracy, cost efficiency, and full quality traceability across every production stage.
1. Upload CAD Files, BOM, and Assembly Instructions
Upload 3D CAD assembly files (STEP, STP, SLDPRT, IGES), Bill of Materials (BOM), assembly drawings, and any test or inspection specifications through our secure quote portal. Our engineering team responds within 24-48 hours with a detailed quotation covering fabrication, purchased components, assembly labor, and packaging.
2. Free DFA (Design for Assembly) Analysis
Our engineers review every assembly for cost reduction opportunities: consolidating parts, replacing fasteners with weldments, improving orientation for automated assembly, and standardizing hardware. We recommend design adjustments that lower cost without compromising function.
3. Component Fabrication and Sourcing
In-house fabrication (laser cutting, CNC machining, sheet metal, welding) produces custom components while our procurement team sources standard hardware, electronics, and purchased parts from qualified suppliers with full material certificates.
4. Certified Assembly Production
Trained assembly technicians build subassemblies and finished products according to work instructions with torque control, poka-yoke fixtures, and in-process quality checks. Robotic welding cells handle high-volume weldments while manual stations handle complex or mixed-model production.
5. Testing, Packaging, and Global Shipping
Functional testing, leak testing, and dimensional inspection verify every finished assembly. Custom packaging protects products in transit while barcoded labeling supports downstream logistics. DDP shipping to 50+ countries via DHL, FedEx, sea freight, and rail transport.
Custom Assembly Services Materials Available at Deeplink
Steel
Steel 1018 (Low Carbon)
Steel 1045 (Hot Rolled)
Steel A569/ASTM A1011 (Hot Rolled)
AZ55 Galvalume
A653 Galvanized
1095 Spring Steel
Steel A36
Steel A36, pickled and oiled
Steel A366/1008
Learn more about steel sheet metal.
Copper
Copper 101
Stainless Steel
Stainless steel 301
Stainless steel 304
Stainless Steel 304 #4 brushed
Stainless Steel 304, #8 mirror polish
Stainless steel 316/316L
Stainless Steel 316, #4 brushed
Learn more about stainless sheet metal.
Aluminum
Aluminum 1100-H14
Value-Added Finishing Services for Assembled Products
DeepLink offers comprehensive finishing services that can be integrated into your assembly workflow, eliminating extra logistics and reducing total lead time.
Powder Coating and Wet Painting
Electrostatically applied dry powder or industrial wet paint in 200+ RAL colors with textured, matte, gloss, and specialty finishes. Automotive-grade automated lines handle small parts to full assemblies up to 3 meters long.
Plating and Electroplating
Zinc, nickel, chrome, tin, silver, and gold plating for corrosion protection, wear resistance, and electrical conductivity on steel and brass assembly components.
Anodizing (Aluminum)
Type II clear/color anodizing (5-25 micrometers) and Type III hard anodizing (25-50 micrometers) for aluminum assembly parts requiring cosmetic finish or wear resistance.
Passivation and Cleaning
Stainless steel passivation restores protective chromium oxide layer. Ultrasonic cleaning and vapor degreasing prepare parts for cleanroom, medical, or food-grade final assembly.
Silk Screen Printing and Laser Marking
Permanent product identification: silk screen printing for logos and graphics, laser marking for serial numbers, QR codes, and safety warnings on metal and plastic assembly components.
Applications and Advantages of Deeplink Custom Assembly Services
Turnkey Assembly Integration
Single-source supply chain from raw materials through fabrication, finishing, assembly, testing, and packaging. Cangzhou Deeplink International Supply Chain Co., Ltd. reduces OEM lead times by 30-50 percent and cuts landed costs by consolidating dozens of suppliers into one ISO 9001:2015 certified partner.
Full-Process Process Planning Capability
We provide DFA (Design for Assembly) consulting services that intervene from the product design stage, helping customers optimize product structure, reduce the number of parts, and simplify assembly procedures, thereby significantly lowering production costs and improving product quality. Our team of process engineers is proficient in various assembly technologies and can develop optimal assembly solutions for different types of products.
Improve Product Quality
We have a professional technical team, a comprehensive quality control system, and advanced testing equipment, which can ensure the consistency and stability of product quality. Through strict process control and comprehensive testing and verification, we minimize product defect rates..
Ready to Get a Custom Assembly Services Quote?
Custom Assembly Services Process with Deeplink
Submit Project Requirements
Upload your product design drawings, BOM lists, and technical requirements to the Deeplink Instant Quoting System. Our project engineers will contact you within 24 hours to understand project details and conduct a preliminary technical evaluation.
Solution Confirmation and Sample Trial Production
We will develop a detailed assembly plan and quotation according to your needs. After the plan is confirmed, we will complete the assembly and testing of the first article sample within 3-5 days and send it to you for verification. You can put forward modification opinions on the sample, and we will adjust according to your requirements.
Mass Production and Delivery
After the sample is confirmed, we will immediately arrange mass production. You can track the production progress in real time through our online platform. After all products are produced and pass the final inspection, we will package them according to your requirements and deliver them on time.
