Shanghai Gongtao Ceramics Co., Ltd. Supplier Evaluation
Executive Summary
Shanghai Gongtao Ceramics Co., Ltd. is a China-based ceramic and refractory materials supplier located in Shanghai, with a reported factory area of 14,000+ m², 50+ staff, and verified supplier status. The supplier’s listed product scope includes silicon carbide plates, ceramic heating components, corundum mullite plates, insulation bricks, and customized refractory boards, indicating a focus on industrial ceramic and refractory components. On , the company shows strong platform credibility with 15 years as a Gold Supplier, Trade Assurance support, and customization-related service tags including ODM, full customization, and minor customization. Commercial activity appears moderate, with 60+ orders and CN¥405.6K+ transaction value in the past six months, supported by a 4.8 store rating but only 10 reviews. The main concern is delivery reliability, as the reported on-time dispatch rate is only 67.6%. Overall, this supplier is more suitable for buyers prioritizing specialized refractory ceramic products, customization flexibility, and platform-backed sourcing, while requiring careful delivery monitoring.

Detailed Analysis
1. Company Strength
Basis
- Factory location: Shanghai, China
- Factory area: 14,000+ m²
- Staff size: 50+ staff
- Verified supplier/factory audit status: True
- Product categories include refractory ceramic plates, silicon carbide parts, mullite insulation bricks, and customized refractory boards
Elaboration
The supplier has a clearly stated physical production base with a factory area above 14,000 m², which suggests a meaningful manufacturing footprint for ceramic and refractory products. The employee count of 50+ indicates a small-to-mid-sized organization rather than a large-scale industrial manufacturer. The verified supplier status provides a basic level of factory credibility, although the available data does not include detailed production lines, annual capacity, machinery lists, or factory audit reports.
The product listings show a specialized focus on refractory and industrial ceramic components rather than a broad, unrelated product catalog. This supports the view that the company has a defined manufacturing or supply capability in this material category. However, the limited staff size prevents it from being classified as a large-scale supply chain operation based only on the provided data.
Scoring Rationale
Shanghai Gongtao Ceramics demonstrates stronger-than-basic company strength due to its 14,000+ m² factory area and verified supplier status. However, the 50+ staff count indicates a moderate operational scale, and there is insufficient data on production capacity, automation level, factory certifications, or annual output. Therefore, the supplier fits best into the “medium stable factory” range rather than the top tier of large-scale stable supply chains.
Final Score
15 / 20
2. Platform & Compliance Credibility
Basis
- Gold Supplier: True
- Gold Supplier duration: 15 years
- Trade Assurance: True
- Verification status: True
- Certification / industry tags: Warranty available, ODM service available, Full customization, Minor customization
Elaboration
The supplier has a strong platform profile, particularly due to its 15-year Gold Supplier history. A long Gold Supplier duration is a meaningful credibility signal because it shows sustained platform presence over time. Trade Assurance support adds transaction protection for buyers and improves procurement security, especially for international sourcing.
The supplier also has several service and customization-related platform tags, including warranty availability, ODM service, full customization, and minor customization. These labels indicate that the supplier presents itself as capable of supporting more than standard off-the-shelf procurement. However, the provided data does not include specific third-party management system certifications, product compliance certificates, or detailed factory audit documents beyond the verified supplier status.
Scoring Rationale
This dimension is one of the supplier’s strongest areas. The combination of 15 years as a Gold Supplier, Trade Assurance support, and verified supplier status creates a relatively complete platform credibility profile. The only limitation is that no detailed compliance certificates or formal product certifications are provided in the data. As a result, the score is high but not maximum.
Final Score
19 / 20
3. Business Performance
Basis
- Past 6-month orders: 60+
- Past 6-month transaction value: CN¥405.6K+
- Store rating: 4.8
- Number of reviews: 10
Elaboration
The supplier has recorded more than 60 orders in the past six months, which indicates active commercial transactions on the platform. The transaction value of CN¥405.6K+ shows that the supplier has generated measurable sales volume, though the data does not indicate whether this comes from many small orders or a smaller number of higher-value industrial purchases.
The 4.8 store rating is positive and suggests buyer satisfaction among reviewed transactions. However, the review count is only 10, which limits the statistical reliability of the rating. For procurement evaluation, a high rating supported by a small review base should be treated as encouraging but not yet conclusive.
Scoring Rationale
The supplier shows stable but not high-volume business performance. The 60+ recent orders and CN¥405.6K+ transaction value indicate that buyers are actively purchasing, while the 4.8 rating supports a generally positive commercial record. However, the relatively low review count reduces confidence in broad market validation. Therefore, the supplier fits the “stable medium-scale transaction” category rather than the high-order, high-review top tier.
Final Score
15 / 20
4. Service Capability
Basis
- Communication response time: ≤5h
- Full customization: Available
- Minor customization: Available
- ODM service: Available
Elaboration
The supplier’s response time of within five hours is acceptable for B2B sourcing, though it does not meet the strongest benchmark of response within one hour. The availability of full customization, minor customization, and ODM service suggests that the supplier may support non-standard product requirements, which is relevant for ceramic and refractory components that often require dimensional, material, or application-specific adjustments.
However, the available data does not provide evidence of engineering team size, sample development lead time, design support, technical documentation capability, or multilingual communication support. Therefore, while the supplier appears service-capable, the depth of service execution cannot be fully verified from the provided information.
Scoring Rationale
The supplier deserves a solid service score because it supports full customization and ODM service, both of which are valuable for industrial ceramic procurement. The response time of ≤5h is reasonable but not top-tier. Since no additional service performance metrics are available, the score should remain in the normal-to-good range rather than the highest range.
Final Score
7 / 10
5. Delivery Performance
Basis
- On-time dispatch rate: 67.6%
Elaboration
The supplier’s on-time dispatch rate is the weakest recorded metric in the provided dataset. At 67.6%, the rate falls below the 70% threshold, indicating a meaningful risk of late shipment or dispatch delays. For industrial ceramic and refractory products, delivery reliability is important because buyers may depend on these parts for maintenance, production schedules, kiln operations, or project timelines.
No additional delivery data is provided, such as average lead time, late shipment reasons, logistics methods, or performance by product type. Therefore, the assessment must rely directly on the reported on-time dispatch percentage.
Scoring Rationale
According to the scoring standard, an on-time delivery rate below 70% should receive below 5 points. Since the reported rate is 67.6%, it indicates underperformance in delivery reliability. The supplier may still be usable, but buyers should manage lead times conservatively and confirm production and dispatch schedules before order placement.
Final Score
4 / 10
6. Quality & Customer Feedback
Basis
- Store rating: 4.8
- Number of reviews: 10
- Verified supplier/factory status: True
- Finished Product Inspection: Insufficient Data
- Factory Verification: True
Elaboration
The supplier has a strong store rating of 4.8, which is positive from a customer feedback perspective. However, the rating is based on only 10 reviews, making the feedback base relatively limited. This means the rating should be considered favorable but not highly conclusive.
The verified supplier/factory status provides some confidence in the supplier’s operational legitimacy. However, the provided data does not confirm whether Finished Product Inspection is available, nor does it include product test reports, quality certifications, inspection procedures, defect rates, or after-sales claim data. For refractory ceramic components, these missing quality details are important because material consistency, dimensional accuracy, and thermal performance can be critical.
Scoring Rationale
The supplier has a good rating and verified status, supporting a moderate-to-good quality confidence level. However, the small number of reviews and lack of confirmed Finished Product Inspection data prevent a higher score. The quality profile appears acceptable for initial sourcing, but not fully validated for high-risk or high-specification procurement without additional checks.
Final Score
14 / 20
Total Score
| Dimension | Score |
|---|---|
| Company Strength | 15 / 20 |
| Platform & Compliance Credibility | 19 / 20 |
| Business Performance | 15 / 20 |
| Service Capability | 7 / 10 |
| Delivery Performance | 4 / 10 |
| Quality & Customer Feedback | 14 / 20 |
| Total Score | 74 / 100 |
Procurement Recommendation
Shanghai Gongtao Ceramics Co., Ltd. is conditionally recommended for cooperation, especially for buyers sourcing refractory ceramic parts, silicon carbide plates, mullite insulation bricks, and customized ceramic components. The supplier is suitable for customers who value platform credibility, long-term Gold Supplier history, Trade Assurance protection, and customization availability.
The main risks are delivery performance and limited quality validation data. The reported on-time dispatch rate of 67.6% is below the acceptable benchmark, so buyers should confirm lead times, production schedules, and shipment commitments before placing orders. Quality confidence is moderate, supported by a 4.8 rating and verified supplier status, but the review count is low and Finished Product Inspection information is insufficient.
For low-to-medium volume buyers, sample orders, customized component trials, or repeat purchases with flexible delivery schedules, this supplier appears suitable. For urgent projects, strict delivery deadlines, or high-specification industrial applications, additional due diligence is recommended, including sample testing, pre-shipment inspection, written delivery terms, and confirmation of quality control procedures. Overall, the supplier shows good platform credibility and product specialization, with growth potential if delivery reliability and quality documentation improve.
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