Qingdao Dongshou Sealing Technology Co., Ltd. Supplier Evaluation

Executive Summary

Qingdao Dongshou Sealing Technology Co., Ltd. is a China-based sealing product supplier located in Shandong, with a reported factory area of 3,200+ m² and 70+ staff. The company offers sealing-related products including NBR, FKM, FFKM, silicone static oil seals, pneumatic rod wipers, and rubber sealing products, with low MOQs ranging from 10 to 50 pieces. Its profile shows 4 years as a Gold Supplier, Trade Assurance support, verified supplier status, and customization-related tags including ODM service, Full Customization, and Minor Customization. Business activity appears stable, with 100+ orders and CN¥473.2K+ transaction value over the past six months, supported by a 4.6 store rating and 20+ reviews. The supplier is most suitable for buyers seeking flexible MOQ sealing components, customization support, and reliable delivery performance. However, quality-system depth is not fully evidenced because Finished Product Inspection data is not provided.

Detailed Analysis

1. Company Strength

Basis:
- Factory location: Shandong, China
- Factory area: 3,200+ m²
- Employees: 70+ staff
- Verified supplier: True

Elaboration:
The supplier has a clearly stated factory scale with over 3,200 m² of production area and more than 70 employees. This indicates an established small-to-medium manufacturing operation rather than a trading-only profile. The verified supplier status adds credibility to the stated operational presence, although no additional factory audit details, production capacity figures, equipment lists, or factory certification names are provided.

Scoring Rationale:
The company demonstrates basic-to-moderate production strength with a defined factory footprint and workforce. The scale is not large enough to be classified as a large supply-chain manufacturer, but it is stronger than a very small workshop due to its verified status and measurable facility size. The lack of detailed production capacity and specific factory certifications limits the score from entering the highest range.

Final Score: 15 / 20

2. Platform & Compliance Credibility

Basis:
- Gold Supplier: True
- Gold Supplier duration: 4 years
- Trade Assurance: True
- Verified supplier: True
- Certification / industry tags: Warranty available, ODM service available, Full customization, Minor customization

Elaboration:
The supplier has several important platform credibility signals, including Gold Supplier status, Trade Assurance support, and verified supplier status. A 4-year Gold Supplier history suggests a reasonable level of platform continuity. The presence of service and customization tags also improves buyer confidence, especially for sourcing projects that require specification adjustment or private-label development.

Scoring Rationale:
The supplier has the core platform protections and credibility markers expected from a reliable supplier. However, the Gold Supplier duration is moderate rather than long-term, and the provided data does not include named third-party certifications, management system certifications, or detailed compliance documents. Therefore, the supplier fits the upper-middle credibility range but does not reach the highest level.

Final Score: 17 / 20

3. Business Performance

Basis:
- Orders in past 6 months: 100+
- Transaction value in past 6 months: CN¥473.2K+
- Store rating: 4.6
- Review count: 20+

Elaboration:
The supplier shows active commercial performance, with over 100 orders and more than CN¥473.2K in transaction value during the past six months. This suggests that the supplier has regular buyer activity and is not an inactive or untested storefront. The 4.6 rating is positive, while the 20+ review count provides some customer validation but remains relatively limited in volume.

Scoring Rationale:
The business performance is stable and commercially validated, especially due to the recent order count and transaction value. However, the review base is not large enough to confirm broad market acceptance, and the rating, while good, is not exceptionally high. This supports a solid mid-to-upper score rather than a top-tier performance rating.

Final Score: 16 / 20

4. Service Capability

Basis:
- Response time: ≤1h
- Full Customization: Available
- Minor Customization: Available
- ODM service: Available

Elaboration:
The supplier demonstrates strong service responsiveness with a response time of less than or equal to one hour. The listed customization capabilities indicate that the supplier can support both minor specification changes and more complete customization requirements. ODM availability further suggests suitability for buyers needing product adaptation rather than only standard catalog purchasing.

Scoring Rationale:
The supplier meets the highest service-capability criteria because it combines fast communication response with stated Full Customization and ODM support. Based strictly on the available data, this is one of the supplier’s strongest dimensions.

Final Score: 10 / 10

5. Delivery Performance

Basis:
- On-time delivery rate: 100.0%

Elaboration:
The supplier reports a 100.0% on-time delivery rate. This is a strong delivery indicator and suggests that completed platform orders have been shipped within the required timeframe. No additional logistics details, average lead times, or shipment volume breakdowns are provided.

Scoring Rationale:
According to the scoring standard, an on-time delivery rate above 90% qualifies for 9–10 points. Since the provided rate is 100.0%, the supplier receives the maximum score for this dimension. The score is based only on the stated on-time delivery rate.

Final Score: 10 / 10

6. Quality & Customer Feedback

Basis:
- Store rating: 4.6
- Review count: 20+
- Verified supplier: True
- Finished Product Inspection: Insufficient Data
- Factory Verification: Supplier verification is provided, but detailed factory verification scope is Insufficient Data

Elaboration:
The supplier has a good customer rating and a modest number of reviews. The verified supplier status provides some quality and identity assurance, but the data does not confirm whether Finished Product Inspection is available. There is also no provided information on formal quality certifications, testing procedures, inspection reports, defect rates, or after-sales complaint history.

Scoring Rationale:
The 4.6 rating and 20+ reviews indicate generally positive customer feedback, but the review sample is not large. Quality assurance evidence is incomplete because Finished Product Inspection is not confirmed in the supplied data. As a result, the supplier can be considered to have basic quality credibility, but not a fully proven quality management system based on the available information.

Final Score: 15 / 20

Total Score

83 / 100

• Company Strength: 15 / 20
• Platform & Compliance Credibility: 17 / 20
• Business Performance: 16 / 20
• Service Capability: 10 / 10
• Delivery Performance: 10 / 10
• Quality & Customer Feedback: 15 / 20

Procurement Recommendation

Cooperation is recommended with controlled purchasing procedures. Qingdao Dongshou Sealing Technology Co., Ltd. appears suitable for small-to-medium buyers, engineering component buyers, maintenance buyers, and procurement teams seeking sealing products with low MOQ, customization support, fast response, and reliable platform-backed delivery.

The main strengths are fast communication, Full Customization availability, Trade Assurance support, verified supplier status, 100.0% on-time delivery, and recent transaction activity. The main risks are the limited review volume, absence of confirmed Finished Product Inspection data, and insufficient details on formal quality certifications or production capacity.

Recommended procurement approach: start with sample orders or small trial batches, confirm material specifications clearly, request inspection evidence before bulk production, and use Trade Assurance for payment protection. The supplier shows good growth potential for customized sealing product sourcing, provided that quality documentation and inspection controls are verified before larger-volume cooperation.