What Is In-Process Inspection?
In-Process Inspection Services play a critical role in identifying quality issues during production before they escalate into large-scale defects. Most quality problems do not appear at the end of production. They begin somewhere in the middle — when a machine setting drifts, a worker skips a step, or a component batch changes without anyone noticing. By the time finished goods are ready for final inspection, the problem has already been repeated across thousands of units.
In-process inspection is how we catch those problems before they multiply.
We conduct independent, third-party inspections at your factory or your supplier’s production facility — while manufacturing is actively underway. Our inspectors visit at the agreed production stage, check goods against your specifications and the applicable standards, and give you a clear documented report on what is happening on the production floor — and what needs to change before more units are made incorrectly.
This is not a desk review or a paper audit. We send qualified inspectors to the source, use appropriate inspection methods and tools, and deliver findings you can act on immediately — while production is still in progress.
As a UAF-accredited inspection body operating under ISO/IEC 17020:2012, our in-process inspections are conducted with full independence. We have no financial interest in the outcome. Our report reflects what we found — not what anyone wants to hear.
Why In-Process Inspection Matters — The Risk of Skipping It
Most production failures are not discovered at the final inspection stage. They are discovered when it is already too late to correct them without significant cost. Here is what happens when in-process inspection is skipped:
- A machine setting is wrong from the start of the production run. Every unit produced carries the same defect — and you only find out when the full batch is complete and a final inspection fails. You now have a full-batch rejection and a missed shipment deadline.
- A component batch supplied mid-production does not match the original specification. No one checks it at the time. The finished goods look correct on the outside but fail on function — and you discover this at pre-shipment inspection when it is too late to rework economically.
- Your supplier cuts corners on workmanship midway through a large order, knowing the final inspection is weeks away. Small deviations accumulate into a consistent quality problem that affects a significant portion of the production run.
- A packaging error at the production line goes unnoticed — wrong labels applied, incorrect inner packaging used, barcode scanning failures. The entire packed quantity needs to be reworked before shipment, costing time and money that could have been saved with an in-process check.
We believe quality assurance should happen throughout the production process — not just at the beginning or the end. In-process inspection is the most effective point to catch production problems because units are still being made, corrections can still be applied, and the cost of rework is still manageable.
What We Inspect — Our Scope of Work
Our in-process inspection services cover every critical aspect of your production quality — from production line setup to packaging compliance. Here is what we examine:
- Production Line Setup and Readiness
- Equipment settings and calibration verified against production specifications
- Correct raw materials and components confirmed as loaded at the line
- Worker allocation and skill level assessed for the production task
- Quality control checkpoints confirmed as active on the production floor
- Approved sample or golden sample confirmed as present at the line for reference
- Product Quantity and Specification Check
- Units produced to date counted and reconciled against the production schedule
- Physical dimensions, weight, colour, and finish verified against buyer-approved Golden Sample
- Material composition confirmed at the production stage — fabric GSM, metal grade, polymer type
- Design, construction details, and component fit verified against approved specifications
- Visual Quality and Workmanship Inspection
Using internationally recognised AQL (Acceptable Quality Level) sampling based on ISO 2859, our inspectors evaluate in-process units for visible quality and workmanship:
- Critical defects — safety hazards, non-functional units, missing essential components — zero tolerance
- Major defects — visible surface damage, incorrect assembly, wrong size, broken parts — AQL 2.5
- Minor defects — cosmetic imperfections not affecting function or safety — AQL 4.0
Every defect is photographed, classified, and documented. Defect trends are analysed to identify whether problems are isolated or systemic across the production run.
- Functionality and Performance Testing
- Power on/off and complete operational cycle verification for electrical and electronic products
- Moving parts, mechanisms, and load-bearing function checks for mechanical products
- Firmware or software version confirmation for connected devices
- Stress and durability testing as per buyer protocol or applicable product standard
- Process and Procedure Compliance
- Production process verified as following the approved manufacturing method
- Equipment operating within specified parameters — temperature, pressure, speed
- Workers following documented procedures and quality control steps
- No unauthorised material substitutions or process shortcuts observed
- Quality control records being maintained correctly at the production line
- Packaging and Labelling at Line
- Inner and outer packaging materials confirmed as correct specification
- Labelling verified — country of origin, barcode, SKU, product information, handling symbols
- Carton sealing quality checked — no open seams, weak corners, or incorrect tape application
- Packing quantity per carton verified against packing list requirements
- Barcode scanning confirmed — buyer’s SKU reads correctly on all units
- Corrective Action Verification
- Any non-conformances identified during inspection communicated to production supervision immediately
- Corrective action taken by the production team verified before inspection concludes
- Follow-up re-inspection available if significant non-conformances require verified resolution before production continues
Our In-Process Inspection Process — Step by Step
We follow a structured, documented process for every in-process inspection we conduct. Here is exactly how it works:
- You Contact Us — Share your inspection requirement: product type, supplier location, production start date, the stage at which you want inspection conducted, and your purchase order details. We review the scope and confirm feasibility within 24 hours.
- We Assign a Qualified Inspector — A technical expert with relevant product and industry knowledge is assigned to your inspection. The inspector reviews all reference documents, approved samples, and production specifications before visiting the site.
- On-Site Inspection Is Conducted — Our inspector visits the production facility at the agreed production stage — typically when 20 to 60 percent of production is complete. In most cases inspections are conducted without prior notice to the supplier, ensuring findings reflect actual production conditions.
- Samples Are Drawn and Evaluated — We select samples from in-process units using AQL sampling standards and inspect against your purchase order specifications, buyer requirements, and applicable product standards.
- Production Process Is Assessed — In addition to product quality, our inspector evaluates the production process itself — equipment settings, worker practices, material handling, and quality control procedures currently in place.
- Findings Are Documented — All observations are recorded with photographs, measurements, defect classifications, process observations, and non-conformance details. Nothing is left to informal notes or verbal communication.
- Inspection Report Is Issued — A formal, structured report is delivered within 24 hours of inspection completion. It clearly states whether production meets the required quality standard — with a pass, fail, or corrective action required decision supported by photographic evidence.
- Follow-Up Support — If non-conformances are identified and the supplier takes corrective action, we can conduct a re-inspection to verify issues have been resolved before production continues or completes.
Inspection Methods We Use
We apply the most appropriate inspection method for each product type and production stage:
Method | What We Do | Typical Application |
Visual Inspection | Physical examination of in-process units for surface condition, colour, and workmanship | All product types — first point of assessment |
AQL Sampling | Drawing representative samples per ISO 2859 / AQL protocol from in-process production | All consumer goods, garments, electronics, engineering goods |
Dimensional Measurement | Checking size, weight, thickness, and geometry of in-process units against specifications | Textiles, components, packaging, engineering goods |
Functionality Testing | Testing in-process units for operational performance against specification | Electronics, machinery, mechanical components |
Process Observation | Observing and assessing production line setup, equipment settings, and worker practices | All production environments |
Barcode Verification | Scanning and verifying buyer SKU, barcode, and product identification at packaging stage | All retail and consumer goods |
Document Review | Verifying production records, quality control logs, material certificates, and approved sample reference | All production inspections |
Photographic Documentation | Timestamped photographs at every stage of inspection | All inspections — standard across every report |
Industries We Serve
Our in-process inspection services are available across all major manufacturing industries. Below are the primary sectors where in-process inspection is most commonly required:
Textiles & Garments — We inspect fabric quality, stitching workmanship, dimensions, colour consistency, and AQL sampling during active production runs — covering garments, home textiles, woven fabrics, jute bags, and PPE at key production stages.
Engineering & Machinery — We inspect mechanical components, fabricated structures, and equipment sub-assemblies during production for dimensional accuracy, material compliance, surface finish, and assembly correctness — before the full batch is completed.
Food Processing & Agriculture — We inspect food processing lines for hygiene compliance, ingredient verification, weight and quantity accuracy, packaging integrity, and labelling correctness during active production runs.
Electronics & Electricals — We inspect consumer electronics, electrical equipment, and components during production for assembly quality, component correctness, CE / BIS / RoHS compliance, and functional performance at the line.
Pharmaceuticals & Chemicals — We inspect pharmaceutical production lines for process compliance, batch documentation accuracy, labelling correctness, and storage condition adherence — against WHO GMP, Schedule M, and applicable regulatory requirements.
Furniture & Home Goods — We inspect workmanship, dimensional accuracy, finish quality, assembly correctness, and structural integrity during production — before the full batch is packed and ready for shipment.
Consumer Goods & FMCG — We inspect specifications, assembly quality, packaging accuracy, barcode compliance, and labelling correctness across all consumer product categories during active manufacturing.
Automotive Parts — We inspect dimensional accuracy, material grade compliance, surface finish, coating quality, and assembly correctness during production — before sub-assemblies or finished parts are completed.
Standards We Inspect Against
We use the relevant national or international standard as our reference for every in-process inspection:
Industry | Key Standards Used |
Textiles & Garments | ISO 2859 / AQL, IS 1969, IS 15138, IS 15495, IS 16186, ANSI/ASQ Z1.4 |
Engineering & Steel | IS 1786, IS 2062, IS 432, ASTM A615 |
Food Processing | FSSAI Schedule IV, IS 14818, IS 4333, ISO 24333, SAL Rules |
Electronics | CE Marking Directives, RoHS 2011/65/EU, BIS Standards |
Pharmaceuticals | WHO GMP, Schedule M, FDA CFR 21, ICH Q7 |
Chemicals | IS 252, IS 517, IS 537, ASTM D-series |
Cross-Industry | ISO/IEC 17020:2012, Client QAP, Buyer Specifications, Manufacturer’s Approval Procedures |
Why Choose TNV Inspection Division for In-Process Inspection?
There are many inspection companies available. Here is why clients across 95+ countries choose TNV Inspection Division:
We Are a Type A Inspection Body — Under ISO/IEC 17020, Type A is the highest level of independence. We have no ownership, operational, or commercial ties to any manufacturer, supplier, or buyer. Our only obligation is to the truth. When we issue a report, you know it has not been influenced by anyone’s commercial interest.
We Are UAF Accredited — Our accreditation is issued by the United Accreditation Foundation (UAF), a signatory of the IAF Multilateral Recognition Arrangement. Our inspection reports are internationally recognised and accepted by buyers, regulators, and government bodies across the world. Accreditation No. 5241222IB04, valid until December 2028.
We Are India’s Own Internationally Accredited Inspection Body — We are not a branch office of a foreign multinational. We are built in India, understand Indian manufacturing, Indian standards, and Indian supply chains — while carrying the same international accreditation standing as any global inspection company. Local knowledge. Global credibility.
We Have Been Doing This Since 2011 — With over a decade of inspection experience across 39 industries and 95+ countries, our inspectors bring deep technical knowledge to every assignment. We know the standards, the products, and the production failure modes that matter in your industry.
We Inspect Without Advance Notice — In most cases our inspectors visit production facilities without prior notice to the supplier. This means what our inspector sees reflects actual production conditions — not a specially prepared presentation. This is one of the key reasons our clients trust our findings.
We Deliver Reports You Can Use — Our inspection reports are structured, evidence-based, and photograph-supported. Every non-conformance is clearly described with the applicable standard reference, the observed production condition, and photographic evidence. You always know exactly what we found and why it matters.
We Cover 95+ Countries — Whether your supplier is in India, Bangladesh, Vietnam, China, Egypt, or anywhere else in the world — we have the reach to inspect at source during active production. You never have to accept unverified production quality just because your supplier is far away.
Ready to Inspect Your Production While It Is Still in Progress?
Do not wait for a failed final inspection or a rejected shipment to find out something went wrong during production. We will inspect your goods at the factory — independently, accurately, and at the right stage of production — so corrections can still be made before it is too late.
Contact us today to request an in-process inspection. Tell us your product type, supplier location, and production timeline — and we will handle the rest.
Frequently Asked Questions(FAQ)
In-process inspection is an independent quality check conducted at your supplier's factory while production is actively underway — typically when 20 to 60 percent of manufacturing is complete. It is needed because production problems caught during manufacturing are significantly cheaper and faster to correct than problems discovered at final inspection or after shipment.
Typically when 20 to 60 percent of production is complete. This gives the inspector enough finished or near-finished units to evaluate meaningfully, while leaving enough remaining production to implement corrections if needed. For long or complex production runs, we can conduct inspections at multiple agreed stages.
In most cases, no. We conduct in-process inspections without advance notice to the supplier. This ensures our findings reflect actual production conditions — not what someone has prepared for us to see. This is one of the key reasons our clients trust our reports.
We issue a Non-Conformance Report clearly identifying what failed, against which specification, and with supporting photographic evidence. Your supplier is expected to take corrective action immediately — adjusting the process, replacing materials, or retraining workers. We can return to verify corrections have been implemented before production continues.
In-process inspection happens during manufacturing — when there is still time to correct problems before the full batch is complete. Pre-shipment inspection happens after production is finished and goods are ready to ship. Both serve important but different purposes. In-process catches problems early. Pre-shipment provides final clearance before loading.
Yes. For complex products or long production runs, we can conduct inspections at multiple agreed stages — for example at 25%, 50%, and 75% of production completion. Each visit generates its own structured report so you have complete visibility throughout the manufacturing cycle.
Yes. As a UAF-accredited inspection body, our reports are internationally recognised. UAF is a signatory of the IAF Multilateral Recognition Arrangement, which means our reports carry the same standing as those issued by the largest global inspection companies. Buyers, regulators, and government authorities across 95+ countries accept our inspection certificates.
Once we receive your inspection request with all relevant details, we aim to schedule the inspection within 24 to 72 hours depending on location and inspector availability. For urgent requirements, please contact us directly and we will do our best to accommodate your timeline.