Jinan Jinbao Plastic Co., Ltd. Supplier Evaluation
Supplier Evaluation Report: Jinan Jinbao Plastic Co., Ltd.

Executive Summary
Jinan Jinbao Plastic Co., Ltd. is a China-based supplier located in Shandong, with a reported factory area of over 17,000㎡ and more than 200 staff. The company appears to have a solid manufacturing base for plastic sheet-related products, including PVC foam board, UV glass, waterproof plastic sheets, and high-density plastic sheets, based strictly on the provided product listings. Its platform credibility is strong, supported by 12 years as an Gold Supplier, Trade Assurance availability, and verification status. Commercial performance is also relatively strong, with over 60 orders and CN¥4.5M+ transaction value in the past six months, alongside a 4.9 store rating. Service capability is supported by customization labels, although the response time of ≤4 hours is not top-tier. The supplier is most suitable for buyers seeking a verified, established Chinese manufacturer with stable delivery performance, customization capability, and medium-to-large procurement volumes.
Detailed Analysis
1. Company Strength
Maximum Score: 20
Basis
- Factory location: Shandong, China
- Factory area: 17,000+㎡
- Employees: 200+ staff
- Verified supplier: True
- Product scope includes PVC foam board, UV glass, waterproof plastic sheets, and high-density plastic sheets.
Elaboration
The supplier demonstrates a relatively solid physical manufacturing foundation. A factory area exceeding 17,000㎡ and a workforce of more than 200 employees indicate that the company is beyond a small workshop-scale operation and has the capacity to support regular production demand. The presence of multiple listed product types suggests a focused product portfolio around plastic sheet and board materials, although the provided data does not include detailed production lines, annual capacity, machinery count, or export market coverage.
The verified supplier status adds credibility to the company’s manufacturing presence. However, no additional factory management certifications, such as ISO or other industry-specific certifications, are provided in the available data. Therefore, while the company shows strong operational scale, the assessment cannot assume advanced production certifications beyond the stated verification.
Scoring Rationale
The company’s factory size and employee base place it in a medium-to-large manufacturing category. The verified supplier status further supports operational credibility. However, because the data does not provide detailed production capacity, equipment information, or formal factory management certifications, the score should not reach the absolute top range. The company appears capable of supporting stable supply, especially for buyers requiring regular or bulk plastic sheet products.
Final Score
18 / 20
2. Platform & Compliance Credibility
Maximum Score: 20
Basis
- Gold Supplier: True
- Gold Supplier duration: 12 years
- Trade Assurance: True
- Verification status: Verified supplier
- Certification / industry labels:
- Finished product inspection
- Full customization
- ODM service available
- Minor customization
Elaboration
The supplier has a strong platform credibility profile. A 12-year Gold Supplier history indicates long-term platform presence, which is a positive signal for continuity and marketplace reliability. Trade Assurance availability provides buyers with a platform-supported transaction protection mechanism, which is particularly important for international procurement.
The listed platform tags also show a relatively complete supplier profile. Finished product inspection suggests a basic quality control mechanism before shipment. Full customization, minor customization, and ODM service availability indicate that the supplier is not limited to standard catalog sales and may be able to support buyer-specific requirements, subject to confirmation during quotation and sampling.
Scoring Rationale
This supplier performs very strongly in platform and compliance credibility. The combination of long Gold Supplier tenure, Trade Assurance, verified supplier status, and multiple capability labels provides a high level of platform-based trust. Since the data does not show gaps in the provided platform credibility indicators, this dimension merits a top-tier score.
Final Score
20 / 20
3. Business Performance
Maximum Score: 20
Basis
- Orders in the past six months: 60+
- Transaction value in the past six months: CN¥4.5M+
- Store rating: 4.9
- Number of reviews: 20+
Elaboration
The supplier shows active recent commercial performance. More than 60 orders over the past six months indicates ongoing buyer activity, while CN¥4.5M+ in transaction value reflects a meaningful transaction scale. The 4.9 store rating is strong and indicates positive buyer satisfaction based on available platform feedback.
However, the number of reviews is only listed as 20+, which is positive but not large enough to be considered extensive customer feedback. The order count is also solid but not exceptionally high compared with suppliers that may have several hundred recent transactions. As a result, the supplier demonstrates validated business activity and reliable market acceptance, but the available review volume limits the strength of the commercial validation.
Scoring Rationale
The supplier has strong transaction value, a high store rating, and a reasonable number of recent orders. These indicators support confidence in its business performance. However, because the review count is relatively moderate and the order volume is not extremely high, the supplier is best assessed as having strong but not maximum-level commercial validation.
Final Score
17 / 20
4. Service Capability
Maximum Score: 10
Basis
- Response time: ≤4 hours
- Full customization: Available
- Minor customization: Available
- ODM service: Available
Elaboration
The supplier provides several customization-related service labels, including full customization, minor customization, and ODM service availability. This indicates that the supplier may be suitable for buyers with product specification adjustments, private-label requirements, or development-based procurement needs. For plastic sheet and board products, customization capability can be important in dimensions, thickness, color, density, packaging, and application requirements, although the provided data does not specify which exact customization items are supported.
The communication response time is listed as ≤4 hours. This is acceptable for normal B2B communication and suggests that the supplier is reasonably responsive. However, it does not meet the highest service benchmark of ≤1 hour.
Scoring Rationale
The supplier has strong customization indicators, which improves its service capability. The response time is within a practical business range but not fast enough to qualify for the top score band. Therefore, the supplier is suitable for buyers requiring customization support but may not be the best match for urgent sourcing projects requiring near-immediate communication cycles.
Final Score
8 / 10
5. Delivery Performance
Maximum Score: 10
Basis
- On-time delivery rate: 100.0%
Elaboration
The supplier’s reported on-time delivery rate is 100.0%, which is the strongest delivery indicator available in the provided data. This suggests that completed platform orders have been shipped within the agreed timeframe. For procurement buyers, especially those managing production schedules or inventory replenishment, on-time delivery performance is an important operational factor.
However, the data does not include lead times, production cycle details, logistics methods, historical delay cases, or performance by order size. Therefore, the assessment is limited to the provided on-time shipment percentage.
Scoring Rationale
Based on the scoring standard, an on-time delivery rate above 90% qualifies for the 9–10 point range. Since the supplier’s reported rate is 100.0%, it deserves the maximum score in this category. The score is strictly based on the provided delivery performance figure.
Final Score
10 / 10
6. Quality & Customer Feedback
Maximum Score: 20
Basis
- Store rating: 4.9
- Reviews: 20+
- Finished product inspection: Available
- Verified supplier / Factory verification indicator: True
- On-time delivery: 100.0%, relevant as supporting operational consistency but not a direct quality inspection metric.
Elaboration
The supplier has a high store rating of 4.9, which reflects positive customer feedback within the available platform data. The presence of finished product inspection is also a meaningful quality assurance indicator, suggesting that products are checked before shipment. The verified supplier status further supports the credibility of the supplier’s company and factory information.
That said, the number of reviews is 20+, which is helpful but still relatively limited for making a highly confident quality judgment. The data does not provide defect rates, inspection reports, third-party testing certificates, product compliance certificates, material test reports, or detailed customer complaint history. Therefore, the supplier shows good quality signals, but the available evidence is not comprehensive enough to justify a maximum score.
Scoring Rationale
The supplier has a strong rating, some customer feedback, finished product inspection, and verification status. These are positive and sufficient to indicate a generally reliable quality profile. However, because the review volume is moderate and detailed technical quality documentation is not provided, the score should remain below the highest tier.
Final Score
17 / 20
Total Score
| Dimension | Score |
|---|---|
| Company Strength | 18 / 20 |
| Platform & Compliance Credibility | 20 / 20 |
| Business Performance | 17 / 20 |
| Service Capability | 8 / 10 |
| Delivery Performance | 10 / 10 |
| Quality & Customer Feedback | 17 / 20 |
| Total Score | 90 / 100 |
Procurement Recommendation
Recommendation: Recommended for cooperation, with standard pre-order validation.
Jinan Jinbao Plastic Co., Ltd. is a strong candidate for buyers sourcing plastic sheet and board products from China, particularly those requiring a verified supplier with stable manufacturing scale, Trade Assurance support, customization capability, and strong delivery performance. The supplier is especially suitable for medium-to-large volume buyers, distributors, project-based purchasers, and companies looking for PVC foam board or plastic sheet-related products with customization options.
Main strengths include:
- 17,000+㎡ factory area and 200+ staff
- 12 years as Gold Supplier
- Trade Assurance support
- Verified supplier status
- CN¥4.5M+ transaction value in the past six months
- 100.0% on-time delivery rate
- 4.9 store rating
- Finished product inspection and customization capability
Main risks / limitations:
- Review count is only 20+, which limits the depth of customer feedback validation.
- Response time of ≤4 hours is acceptable but not best-in-class.
- No detailed production capacity, machinery list, ISO certification, test reports, or export market data are provided. These should be treated as Insufficient Data and verified before large-scale procurement.
Growth potential:
The supplier shows strong platform maturity, stable recent transaction activity, and good operational indicators. If it can provide more detailed quality documentation, production capacity data, and technical compliance evidence, it could be suitable for larger and more structured procurement programs.
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