Dongguan Changbo Electronic Materials Co.,Ltd Supplier Evaluation

Supplier Evaluation Report

Supplier: Dongguan Changbo Electronic Materials Co.,Ltd
Country/Region: Guangdong, China
Main Listed Products: PTFE sheets, PTFE membrane film, PTFE film sheet, customized PTFE film roll sheet, PTFE hoses/pipe

Executive Summary

Dongguan Changbo Electronic Materials Co.,Ltd appears to be a specialized PTFE material supplier based in Guangdong, China, with a reported factory area of over 7,300 m² and more than 40 staff. The company has a long-standing platform presence as a 13-year Gold Supplier and supports Trade Assurance, which provides a relatively strong platform credibility foundation. Its recent business data shows 100+ orders and CN¥878.9K+ transaction value over the past six months, indicating active commercial performance. The supplier also reports a 4.8 store rating and 91.3% on-time delivery rate, suggesting acceptable customer satisfaction and delivery reliability. However, the review count is limited at 10+, and there is insufficient data regarding Finished Product Inspection, formal quality certifications, or Full Customization service capability. This supplier is most suitable for buyers seeking PTFE sheets, films, membranes, rolls, and hoses in small to medium procurement volumes with platform-backed transaction protection.

Detailed Analysis

1. Company Strength — 20 Points

Basis

• Factory location: Guangdong, China
• Factory area: 7,300+ m²
• Employees: 40+ staff
• Verified supplier / factory audit status: True
• Product scope includes PTFE sheets, PTFE membrane films, PTFE film rolls, gasket-related PTFE sheets, and PTFE hoses/pipe.

Elaboration

The supplier has a clearly stated physical production base with over 7,300 m² of factory area, which indicates a meaningful manufacturing footprint rather than a purely trading-oriented operation. The staff size of 40+ suggests a small-to-medium operational scale. While this is not a large workforce, it is sufficient to support focused production activities if the manufacturing process is specialized and semi-automated. The availability of multiple PTFE-related product listings also indicates a certain level of product category concentration rather than a highly diversified, unrelated catalog.

The presence of a verified supplier or factory-audited status strengthens confidence in the supplier’s basic operational legitimacy. However, the data does not provide detailed production capacity, machinery list, monthly output, production lines, or internationally recognized factory certifications. Therefore, the company strength can be assessed as stable but not large-scale.

Scoring Rationale

The company demonstrates a credible manufacturing base with moderate factory size and verified supplier status. The factory area is relatively solid, but the employee count of 40+ places it closer to a medium or small-to-medium manufacturer rather than a large-scale industrial supplier. Since there is no provided information on production capacity, equipment, or formal factory management certifications, the score should not reach the highest range. It fits the “medium stable factory” level.

Final Score

15 / 20

2. Platform & Compliance Credibility — 20 Points

Basis

• Gold Supplier: True
• Gold Supplier duration: 13 years
• Trade Assurance: True
• Platform tags:
• Response time ≤2h
• On-time delivery 91.3%
• Factory / supplier verification: True

Elaboration

The supplier has a strong platform history, with 13 years as an Gold Supplier. This is a significant credibility indicator within the platform context, especially when combined with Trade Assurance support. Trade Assurance gives buyers additional transactional protection, which is particularly relevant for international procurement involving new suppliers.

The supplier also has operational performance tags, including response time within two hours and on-time delivery of 91.3%. These labels add practical credibility because they reflect platform-observed service or transaction behavior. The presence of supplier/factory verification further supports its platform reliability. However, the provided data does not include broader compliance certifications, such as ISO certification, industry-specific approvals, environmental compliance, or product-specific certification. Therefore, platform credibility is strong, but compliance depth cannot be fully confirmed.

Scoring Rationale

The supplier performs very strongly in platform credibility due to its 13-year Gold Supplier status, Trade Assurance availability, and verified supplier status. These factors support a high score. The only limitation is the absence of detailed third-party compliance certifications or complete certification labels beyond platform operational tags. As a result, the supplier deserves a high score but not a perfect score.

Final Score

19 / 20

3. Business Performance — 20 Points

Basis

• Orders in the past 6 months: 100+
• Transaction value in the past 6 months: CN¥878.9K+
• Store rating: 4.8
• Number of reviews: 10+

Elaboration

The supplier has recorded more than 100 orders over the past six months, which indicates active buyer engagement and repeat platform transaction activity. The transaction amount of over CN¥878.9K during the same period suggests that the supplier is not merely receiving sample-level inquiries, but is generating meaningful commercial volume.

The store rating of 4.8 is positive and reflects a generally favorable customer experience. However, the review count is only 10+, which limits the statistical strength of the rating. A high rating based on a small number of reviews is still useful, but less robust than a similar rating supported by hundreds of buyer reviews. Therefore, the supplier shows healthy commercial traction, but the available public feedback volume remains relatively limited.

Scoring Rationale

The combination of 100+ orders and CN¥878.9K+ transaction value over six months demonstrates stable business activity. The 4.8 rating is also favorable. However, the review base of 10+ is not large, which reduces the strength of commercial validation. The supplier fits the “stable medium-scale transaction” range rather than the highest business performance tier.

Final Score

16 / 20

4. Service Capability — 10 Points

Basis

• Communication response time: ≤2h
• Full Customization support: Insufficient Data
• Product listing includes a “Customized PTFE Film Roll Sheet Skived” item, but no explicit platform service tag confirming Full Customization was provided.

Elaboration

The supplier’s response time of within two hours is a positive service indicator. It suggests that the company is relatively responsive and suitable for buyers requiring timely quotation, order clarification, or technical communication. This is especially important for PTFE materials, where thickness, dimensions, roll format, application requirements, and tolerance expectations may need clarification before order placement.

However, the available service data does not explicitly confirm Full Customization capability. Although one listed product includes the word “Customized,” this alone is not sufficient to verify comprehensive customization service capability under the defined scoring standard. There is also no data on engineering support, sample development speed, drawing-based customization, private labeling, packaging customization, or dedicated export service team.

Scoring Rationale

The supplier has good responsiveness, but not at the highest service level because the stated response time is ≤2h rather than ≤1h. Additionally, Full Customization capability is not explicitly confirmed in the provided data. Therefore, the service capability is assessed as functional and reasonably responsive, but not strongly proven in advanced customization.

Final Score

7 / 10

5. Delivery Performance — 10 Points

Basis

• On-time delivery rate: 91.3%

Elaboration

The supplier’s on-time delivery rate of 91.3% is above the 90% threshold, placing it in the strong delivery performance category. This suggests that the supplier generally manages order fulfillment and shipping schedules effectively. For industrial materials such as PTFE sheets, films, and hoses, delivery reliability is important because these materials may be used in production, maintenance, or component processing workflows.

That said, the data does not provide further details on average lead time, logistics modes, export experience, urgent order handling, or performance by order size. Therefore, the assessment is limited to the reported on-time delivery percentage.

Scoring Rationale

According to the required scoring standard, an on-time delivery rate above 90% qualifies for 9–10 points. At 91.3%, the supplier meets the high-performance threshold, but the figure is only slightly above 90%, so a score of 9 is more appropriate than a perfect 10.

Final Score

9 / 10

6. Quality & Customer Feedback — 20 Points

Basis

• Store rating: 4.8
• Review count: 10+
• Verified supplier / factory verification: True
• Finished Product Inspection: Insufficient Data
• Formal product or quality certifications: Insufficient Data

Elaboration

The supplier’s 4.8 store rating indicates generally positive customer feedback. This is a favorable signal for product quality, service experience, or transaction reliability. The verified supplier/factory status also supports a basic level of quality assurance credibility because the supplier has undergone some form of verification.

However, the review count is relatively limited at 10+, which restricts the reliability of the customer feedback sample. More reviews would be needed to form a stronger conclusion on consistent product quality across multiple buyers and order batches. Additionally, there is no provided information confirming Finished Product Inspection, ISO quality management certification, product test reports, material compliance documentation, or internal quality control procedures. For PTFE materials, such documentation may be important for buyers with technical or industrial application requirements.

Scoring Rationale

The supplier has a good rating and verified status, which supports a positive quality assessment. However, the limited review count and lack of confirmed Finished Product Inspection or formal quality certification prevent a high-tier score. The quality profile appears acceptable, but buyers should verify specifications, inspection processes, and testing documentation before placing larger or application-critical orders.

Final Score

15 / 20

Total Score

Procurement Recommendation

Recommendation: Conditionally Recommended

Dongguan Changbo Electronic Materials Co.,Ltd is recommended for buyers seeking PTFE sheets, PTFE films, PTFE membrane materials, PTFE rolls, and PTFE hoses/pipe, especially when Trade Assurance is preferred for transaction protection. The supplier is suitable for small to medium-volume procurement, sample orders, repeat standard material purchasing, and buyers who value fast communication and stable platform history.

Suitable customer types include:
- Industrial material buyers sourcing PTFE sheets or films
- Buyers needing relatively low MOQ options
- Importers seeking -backed suppliers with long platform history
- Small and medium manufacturers requiring PTFE material inputs

Main risk points:
- Limited review count of only 10+
- Insufficient data on Finished Product Inspection
- Insufficient data on formal quality certifications
- Insufficient data on full customization capability
- No provided information on production capacity, equipment, or monthly output

Growth potential:
The supplier has strong platform credibility, long Gold Supplier history, active recent transactions, and good delivery performance. If it can provide stronger quality documentation, clearer customization capability, and more transparent production capacity data, it could become a more reliable option for larger or technically demanding procurement programs.