
Service Process.
Custom Sourcing Service Process – 6-Step China Procurement | SIYUNJO INTERNATIONAL
About This Category
Our sourcing process is designed for transparency, efficiency, and quality assurance. Each step is documented and communicated to ensure complete visibility throughout the procurement journey.
Our 6-step custom sourcing process: Inquiry, Research, Quotation, Sampling, Production, Delivery. Transparent and efficient procurement from China. Average timeline 6-12 weeks.
SIYUNJO INTERNATIONAL
6-Step Sourcing Process:
Step 1 – Inquiry and Requirement Analysis
· Submit your product requirements including specifications, target price, quantity, quality standards, and delivery timeline.
· We analyze your needs and assess feasibility within 24 hours.
Step 2 – Supplier Research and Vetting
· We identify 3-5 qualified suppliers from our database of 500+ vetted manufacturers.
· Each supplier is evaluated based on production capacity, quality systems, export experience, and compliance record.
Step 3 – Competitive Quotation
· We present you with detailed quotations including product price, MOQ, packaging, payment terms, and estimated delivery time.
· Price negotiation handled on your behalf.



Step 4 – Sampling and Approval
· Sample production arranged with selected supplier.
· Samples shipped to you for evaluation.
· Revisions and adjustments made until final approval.
Step 5 – Production and Quality Control
· Order placed with confirmed supplier.
· We conduct pre-production inspection, during-production inspection, and final random inspection.
· Progress reports provided weekly.
Step 6 – Logistics and Delivery
· Shipping arranged based on your preferred terms (FOB, CIF, DDP).
· Full documentation package prepared.
· Real-time tracking provided until goods arrive at destination.
What to Expect at Each Step:
| Step | Duration | Buyer Action Required | Deliverables |
| 1. Inquiry | 1 business day | Submit product requirements | Requirement confirmation, feasibility assessment |
| 2. Research | 3-5 business days | Review supplier profiles | 3-5 qualified supplier profiles with factory audit summaries |
| 3. Quotation | 2-3 business days | Review and select | Detailed quotation with price breakdown, payment terms |
| 4. Sampling | 7-15 business days | Approve samples | Physical samples with test reports |
| 5. Production | 15-45 days | Review progress reports | Weekly updates with photos, inspection reports |
| 6. Delivery | 15-40 days | Arrange payment, review docs | Shipping documents, tracking information |
· Communication Channels
We provide multiple communication channels for seamless coordination: Email (claire@siyunjo.com) for formal correspondence and documentation, WhatsApp/WeChat for real-time updates and quick questions, weekly video calls for production progress review, and shared cloud folder for all project documents, photos, and reports.
· Quality Control Standards
Our inspection process follows internationally recognized standards: Pre-production inspection (check raw materials, component specifications, and production readiness), During-production inspection (verify workmanship, dimensions, and assembly quality at 30% and 70% production completion), Final Random Inspection (AQL 2.5 normal level, single sampling plan per ISO 2859/ANSI ASQ Z1.4), and Container Loading Supervision (verify product count, packaging condition, and loading documentation).


Ready to start sourcing? Contact claire@siyunjo.com to begin the process. No commitment required for initial consultation.