Engineering-Grade Services
From drawing review to final delivery, I provide comprehensive supply chain control
Drawing Review & Suggestion
I accept PDF files, hand-drawn sketches, or old blueprints. With 10 years of mechanical drafting exp...
Factory Matching
I maintain a network of pre-audited manufacturers, each with their own specialties in materials, sta...
Quality Control
Quality control is not just final inspection. I audit every step of the production process to catch ...
Certification Management
Every shipment comes with complete, traceable documentation. I understand what inspectors and end-us...
Logistics & Export
From factory gate to your port, I handle all export logistics. Shanghai port offers excellent connec...
Sample & Small Batch
Large factories often ignore small orders. I welcome custom samples and small batch production, help...
Drawing Review & Suggestion
I accept PDF files, hand-drawn sketches, or old blueprints. With 10 years of mechanical drafting experience, I can interpret your requirements accurately and match them to the right manufacturing capabilities.
What You Receive:
- Technical feasibility analysis
- Material recommendation
- Tolerance optimization suggestions
- Cost-saving alternatives
Real Drawings from Customers
We don't just read your mind, we read your drawings. Send us the PDF or even a hand sketch, we can interpret the technical requirements and ensure the flanges match your pressure vessel specs exactly.
Custom Flange with Multiple Ports
Pressure vessel flange with 4 evenly distributed bolt holes
Pressure Vessel Top Flange Assembly
Complex flange assembly with multiple nozzle connections
Tube Sheet for Heat Exchanger
151 tube holes with precise positioning, tolerance IT14
DIN 2633 Welding Neck Flange
German standard welding neck flange, PN16, DN400
Rotating Flange Assembly
Custom rotating flange with bolt seat positions
Stainless Steel Flat Cover
S30408 stainless steel flat cover with lining ring
Factory Matching
I maintain a network of pre-audited manufacturers, each with their own specialties in materials, standards, and production capacities. I select the best match for your specific project requirements.
What You Receive:
- Best-fit factory selection
- Capability verification
- Production schedule coordination
- Price negotiation
Quality Control
Quality control is not just final inspection. I audit every step of the production process to catch issues early and prevent costly rework.
Quality Control Process:
Raw Material Validation
Verify material certificates, chemical composition, mechanical properties
In-Process Dimensional Checks
Monitor critical dimensions during machining, before it's too late to correct
NDT Supervision
Oversee ultrasonic, radiographic, magnetic particle testing as required
Final Documentation Review
Ensure all certificates and reports are complete and accurate before shipment
Certification Management
Every shipment comes with complete, traceable documentation. I understand what inspectors and end-users require, and I ensure nothing is missing.
Documentation Package:
- EN 10204 3.1 Material Certificates
- NDT Reports (UT/RT/MT/PT)
- Heat Treatment Curves
- Dimensional Inspection Reports
- Heat Number Traceability
- Coating/Painting Certificates
Logistics & Export
From factory gate to your port, I handle all export logistics. Shanghai port offers excellent connectivity to Europe, Middle East, and Southeast Asia.
Logistics Services:
- Sea freight (FCL/LCL)
- Air freight for urgent shipments
- Export customs clearance
- Packaging optimization for ocean transport
- Insurance coordination
Sample & Small Batch
Large factories often ignore small orders. I welcome custom samples and small batch production, helping you validate designs before committing to large quantities.
Benefits:
- Low MOQ acceptance
- Fast turnaround for prototypes
- Design validation support
- Path to mass production
Service Commitment
24-48 Hour Quote
Fast response after receiving your drawing
Complete Documentation
Every shipment with full traceability
Quality Guarantee
Contract-backed quality protection