Project Summary
Project Name
From SPC to AQL: Full Quality Control System Behind a $1.74M Order
Country
United States
Client Identity
Purchasing Manager
Order Amount
$1,742,120.00
Order Quantity
719000
Project Year
2012
Service Scope
Customized manufacturing services, SPC (Statistical Process Control), IPQC (In-Process Quality Control), OQC (Outgoing Quality Control), Compliance services, and Project management services.
Client Reviews
"Working with your team has been an absolute pleasure from start to finish. Your responsiveness, professionalism, and genuine care for our project made all the difference—we truly felt like valued partners!"
Background
A US-based mid-to-high-end beauty retail chain (operating over 800 stores, focusing on high-value-for-money products, with massive procurement volumes and high cost sensitivity)
Client Requirements
Secure the $1.74 million order for glass cosmetic jars; execute the processes of frosting, multi-color screen printing (4 colors), and internal water-based matte coating; pass FDA safety standard tests for food-contact materials; meet client quality standards (frosting uniformity ≥95%, screen printing registration deviation ≤0.15mm, abrasion resistance ≥Grade 4, defect rate ≤2.5%); and complete phased delivery within six months. The quoted price was to be 12% lower than the existing supply chain's post-hike rates, with a commitment to no arbitrary price increases within one year and a requirement to provide fair cost-accounting justification 30 days in advance for any price adjustments. Simultaneously help the client address challenges regarding cost fluctuations and specification consistency, thereby establishing a stable partnership.
Requirements Analysis
(A) Core Reasons for Client Pricing Requirements
The client operates a mid-range beauty retail chain; with high procurement volumes and price sensitivity, their core requirements are "price stability, consistent specifications, and low costs." Their existing supply chain suffered from significant cost fluctuations and high rework expenses, resulting in high total cost of ownership. They requested a 12% price reduction and a one-year price lock to mitigate the risk of uncontrollable costs and reduce losses from rework.
(B) Competitor Price Analysis
For comparable cosmetic jars featuring frosting, multi-color screen printing, and internal spraying, the industry average price is $2.40–$2.70 per unit. Following a price hike, the client's existing supplier quoted $2.75 per unit. The client expected a quote of $2.42 per unit ($2.75 × 88%). After calculating costs, we submitted an initial quote of $2.48 per unit.
Cost Breakdown:
Raw materials (borosilicate glass): 45%
Frosting process (automated frosting, including eco-friendly frosting powder): 16%
Multi-color screen printing (4 colors, high-precision mesh): 14%
Internal water-based matte coating (eco-friendly): 10%
Certification costs (FDA): 2%
Logistics and taxes (dedicated US shipping line): 9%
Reasonable profit margin: 4%
(C) Core Challenges:
Controlling multi-color screen printing registration deviation to ≤0.15mm and improving specification consistency.
Locking in prices for one year while assuming the risk of raw material and exchange rate fluctuations.
Providing a transparent cost breakdown to build client trust.
Delivering approximately 719,000 units within six months ($1.74 million ÷ $2.42/unit ≈ 719,008 units), balancing production capacity, quality, and cost, while reaching a pricing agreement with the client.
Action
(I) Preliminary Follow-up
The order follow-up process spanned two months, involving 13 interactions (5 video conferences and 8 email exchanges). We precisely identified the client's price floor, quality standards, and requirements for price stability. We simultaneously submitted our cost breakdown template and case studies demonstrating our track record of maintaining specification consistency (e.g., process control charts, Cpk data) to ensure the client fully understood our cost structure and quality control capabilities.
During initial discussions, the client clearly outlined budget constraints and risk control requirements. They noted that another supplier had quoted $2.45 per unit and expected us to shoulder all risks associated with raw material and exchange rate fluctuations. We adopted the following communication strategy:
Step 1: Clarifying Needs and Gaps. We emphasized that the client’s core objective was "lowest total cost" (stable pricing and low rework costs) rather than simply the lowest unit price. We clarified that the $0.06/unit price gap stemmed from our investment in high specification consistency—resulting in lower rework rates—through measures such as upgrading screen printing equipment and optimizing frosting parameters.
Step 2: Internal Optimization to Reduce Costs. We signed annual bulk procurement agreements with two borosilicate glass suppliers to lock in prices and cut raw material costs by 4%. We optimized the screen printing process by adopting high-precision automated equipment (featuring CCD positioning) to minimize manual intervention and waste, thereby reducing processing costs by 3%. We also streamlined logistics by signing a long-term agreement with a dedicated US-route logistics provider; by committing to specific annual shipment volumes, we reduced unit logistics costs by 2%. We adjusted our quote to $2.45 per unit, narrowing the price gap to $0.03 per unit.
Step 3: Reaffirming Value and Sharing Risk. We quantified the client's historical annual rework costs caused by quality fluctuations ($76,000) and highlighted how our high specification consistency could virtually eliminate this loss. We pledged not to raise prices arbitrarily within one year; regarding major raw materials (glass, ink, coatings), we agreed that if the average market price rose by more than 10%, we would negotiate adjustments while absorbing 30% of the increase ourselves. We also provided a transparent cost breakdown template.
Step 4: Proposing a Win-Win Solution. Our final quote was $2.43 per unit. Although slightly higher than the client's initial target price, the offer included value-added services—such as providing 2,000 spare units free of charge and submitting weekly monitoring reports on key cost fluctuations (raw materials, exchange rates)—alongside our superior quality assurance. After a comprehensive evaluation, the client concluded that our proposal offered a better total cost outcome. Following three rounds of in-depth communication (spanning 10 days and six separate discussions), the client fully recognized the value of the proposed solution; consequently, both parties signed an annual framework agreement incorporating price stabilization clauses and a price adjustment mechanism.
(III) Process Optimization and Sample Coordination
Screen Printing: High-precision, CCD-guided automatic screen printing machines are employed, utilizing 350-mesh high-tension screens and imported inks. Environmental temperature and humidity are strictly controlled to ensure registration deviation remains ≤0.12mm (exceeding client requirements).
Internal Spray Coating: An automated internal spray and UV curing process is used with high-performance water-based UV matte paint. Precise control of coating thickness (0.03mm ± 0.005mm) and curing parameters ensures abrasion resistance of ≥Grade 4.5.
Samples: Three batches of engineering samples (80 units per batch) were produced, with the client paying a deposit. Issues identified in the first batch—specifically screen printing registration deviation (0.18mm) and localized frosting unevenness—were resolved by optimizing CCD positioning parameters, increasing screen tension, and adjusting the uniformity of the frosting spray. Final samples passed both the client's comprehensive inspection and third-party testing for FDA-related criteria (such as heavy metal leaching), achieving a 100% pass rate.
(IV) Risk Management
Exchange Rates: A risk-sharing mechanism was agreed upon with the client: using the exchange rate on the signing date as a baseline, we absorb fluctuations within ±5%; for fluctuations exceeding ±5%, the excess is shared equally (50/50) between both parties. Forward exchange contracts are also utilized to lock in rates for a portion of the volume.
Production Capacity and Quality: A capacity buffer (7 days) was reserved, and a rigorous production and quality control system was established.
(V) Production and Quality Control
An SPC (Statistical Process Control) system is established to monitor key parameters in real-time—such as frosting parameters, screen printing machine status, coating application volume, and curing temperatures—allowing for timely adjustments. This ensures frosting uniformity of ≥96%, screen printing registration deviation of ≤0.15mm (actual average: 0.11mm), and a defect rate of <2%.
Production resources across three lines are efficiently allocated using a 24-hour, two-shift schedule, with precise production planning managed via the ERP system.
A dedicated staff member is assigned to compile and submit a weekly "Cost Fluctuation Monitoring Report" to the client. This report details market prices versus our procurement costs for key raw materials (glass, ink, coatings, packaging), exchange rates, and fluctuations and trend analyses regarding key energy consumption costs.
(VI) Certification Follow-up
Mr. Ren Bo, a dedicated specialist, manages the FDA certification process, proactively compiling product formulation declarations (PCPC), third-party heavy metal migration test reports, manufacturing process flowcharts, and quality control documentation. He also maintains close communication with the certification body to ensure the successful acquisition of FDA compliance certification for food-contact materials within 60 days of sample confirmation.
Results
(Data calculated based on client feedback and documentation)
Quality Outcome: A total of 719,000 glass cosmetic jars were delivered (including 2,000 spare units). Frosting uniformity: 96.7% (≥95%)
Multi-color screen printing registration deviation: Average 0.11mm (≤0.15mm)
Abrasion resistance of internal water-based UV matte coating: Grade 4.5 (≥Grade 4)
Defect rate: 1.8% (≤2.5%)
Rework rate on the client's filling line dropped to 0.3%, resulting in annualized rework cost savings of over $73,000.
Price and cost control results: Quoted price of $2.43/unit, which is 11.6% lower than the post-hike price from the previous supply chain ($2.75/unit)—coming close to the 12% target. Strictly adhered to a one-year price stability commitment with no unreasonable price increases. Helped the client mitigate the risk of cost overruns; compared to the previous supply chain's pricing and projected rework costs, achieved cumulative savings of approximately $201,000 in procurement and rework expenses.
Overall cost results (data based on client feedback and documentation): Kept the unit purchase price of packaging materials within budget; consistent quality saved approximately $32,000 annually in rework and hidden management costs; packaging costs accounted for 16.8% of the client's total cost for the new product, falling below the expected 18%.
Delivery results: Completed delivery of all goods 6 days ahead of schedule, ensuring the client's store stocking plan remained on track.

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