Hangzhou Jingda Building Materials Co., Ltd. Supplier Evaluation

Executive Summary

Hangzhou Jingda Building Materials Co., Ltd. is a China-based building materials supplier located in Zhejiang, with a reported factory area of 26,000+ m² and 80+ staff. The company appears to focus on roofing-related building material products, including interlocking flat roofing, asphalt roof tiles, laminated asphalt roofing, and villa-style roof tile products. Its platform profile shows 7 years as a Gold Supplier, Trade Assurance support, verified supplier status, a 92.3% on-time delivery rate, and a 5.0 store rating. Business activity over the past six months includes 10+ orders and CN¥202.8K+ transaction value, indicating some commercial validation but not a high-volume transaction record. The supplier is suitable for buyers seeking roofing materials with low MOQ flexibility and moderate-scale sourcing potential. Key limitations include limited review volume, no provided data on Full Customization, no explicit Finished Product Inspection data, and no independent confirmation of company-level ISO or product certification beyond the supplied product titles.

Detailed Analysis

1. Company Strength — 20 Points

Basis
- Factory location: Zhejiang, China
- Factory area: 26,000+ m²
- Staff size: 80+ staff
- Verified supplier: True
- Product scope provided: roofing and asphalt roof tile related products

Elaboration
The supplier has a relatively sizable reported factory area of over 26,000 m², which suggests a meaningful physical production base for building materials. The employee count of 80+ staff indicates a small-to-medium operational workforce rather than a very large industrial manufacturer. The verified supplier status strengthens the credibility of the company’s stated manufacturing presence, although the data does not include detailed production lines, annual output, machinery count, production capacity, or factory audit report details.

Scoring Rationale
The factory area is strong and supports a stable production profile, while the staff size is moderate. The presence of verified supplier status provides additional confidence in basic company legitimacy. However, the absence of detailed production capacity, equipment information, and factory audit documentation prevents a top-tier score. Based on the provided data, the company fits the profile of a medium-scale stable supplier rather than a large-scale, fully documented supply chain operator.

Final Score
16 / 20

2. Platform & Compliance Credibility — 20 Points

Basis
- Gold Supplier: True
- Gold Supplier duration: 7 years
- Trade Assurance: True
- Verified supplier: True
- Certification / industry tags provided: “Response time ≤4h”, “On-time delivery 92.3%”
- Company-level product or system certifications: Insufficient Data

Elaboration
The supplier has a relatively established platform presence, with 7 years as a Gold Supplier. Trade Assurance support adds transactional protection for buyers using the platform. Verified supplier status further improves credibility. However, the provided certification or industry tags mainly relate to response time and delivery performance, rather than formal factory certifications, quality management certifications, environmental compliance, product testing, or third-party inspection systems.

Scoring Rationale
The platform credibility is solid because the supplier has a long Gold Supplier history, Trade Assurance support, and verified supplier status. These are important trust signals for online sourcing. However, the compliance profile is not fully complete because no clear company-level certifications, audit scope, or formal compliance documents are provided. The available data supports a strong but not maximum score.

Final Score
17 / 20

3. Business Performance — 20 Points

Basis
- Orders in the past 6 months: 10+
- Transaction value in the past 6 months: CN¥202.8K+
- Store rating: 5.0
- Review count: 5

Elaboration
The supplier has recorded transaction activity on the platform, with more than 10 orders and over CN¥202.8K in transaction value during the past six months. This indicates active commercial engagement, but the order count and review count remain limited. The 5.0 store rating is positive, yet the small number of reviews reduces the statistical reliability of the rating as a performance indicator.

Scoring Rationale
The business performance is commercially validated but not high-volume. The transaction amount is meaningful for a moderate supplier, while the number of orders suggests limited but real buyer activity. The perfect 5.0 rating is favorable, but only 5 reviews are available, so the rating should be interpreted cautiously. This supports a mid-range score rather than a high-performance rating.

Final Score
14 / 20

4. Service Capability — 10 Points

Basis
- Communication response time: ≤4h
- Platform tag: “Response time ≤4h”
- Full Customization support: Insufficient Data
- Communication efficiency beyond response time: Insufficient Data

Elaboration
The supplier’s response time of ≤4 hours indicates acceptable communication responsiveness for international sourcing. This is not the fastest tier under the scoring framework, which gives the highest score to suppliers responding within one hour. No data is provided confirming Full Customization capability, design support, engineering support, sample development process, or dedicated account service.

Scoring Rationale
The supplier demonstrates normal service responsiveness, but the lack of confirmed Full Customization capability limits the score. A ≤4h response time is commercially usable, especially for routine inquiries and quotation communication, but it does not justify a top service score. The available data supports a standard service capability assessment.

Final Score
7 / 10

5. Delivery Performance — 10 Points

Basis
- On-time delivery rate: 92.3%

Elaboration
The supplier reports an on-time delivery rate of 92.3%, which is above the 90% threshold for the highest scoring band in the delivery performance category. This suggests that the supplier has a generally reliable delivery record based on the platform data provided.

Scoring Rationale
A 92.3% on-time delivery rate qualifies for the 9–10 point range. Since the data does not include shipment volume, late-delivery reasons, order complexity, destination markets, or historical trend stability, a full 10-point score is not assigned. Nevertheless, the available delivery performance is strong.

Final Score
9 / 10

6. Quality & Customer Feedback — 20 Points

Basis
- Store rating: 5.0
- Review count: 5
- Verified supplier: True
- Finished Product Inspection: Insufficient Data
- Factory Verification: Verified supplier status provided
- Company-level quality certification: Insufficient Data

Elaboration
The supplier has a perfect 5.0 store rating, which is a positive sign for customer satisfaction. However, the review count is only 5, which limits the reliability of the feedback base. Verified supplier status provides some quality-related credibility at the company level, but the provided data does not confirm Finished Product Inspection, third-party inspection reports, product testing standards, defect rate, warranty performance, or formal company-level quality management certification.

Scoring Rationale
The supplier shows positive customer feedback, but the limited number of reviews makes it difficult to assess quality consistency across a broader customer base. The lack of explicit Finished Product Inspection data and detailed quality assurance documentation prevents a higher score. The company has basic quality credibility through verification and rating, but the quality evidence remains incomplete.

Final Score
13 / 20

Total Score

Company Strength: 16 / 20
Platform & Compliance Credibility: 17 / 20
Business Performance: 14 / 20
Service Capability: 7 / 10
Delivery Performance: 9 / 10
Quality & Customer Feedback: 13 / 20

Total Score: 76 / 100

Procurement Recommendation

Cooperation is conditionally recommended for buyers seeking roofing materials from a moderate-scale Chinese supplier with verified platform credibility, Trade Assurance support, low MOQ options, and acceptable delivery performance. The supplier appears suitable for small to medium procurement projects, trial orders, distributor sourcing, and buyers that value flexible starting quantities.

The main risks are limited review volume, relatively modest recent order count, insufficient data on Full Customization capability, no provided Finished Product Inspection information, and insufficient evidence of formal company-level quality certifications. Buyers should request quality inspection records, product test reports, production capacity details, packaging standards, and sample confirmation before placing larger orders.

The supplier’s growth potential is supported by its 26,000+ m² factory area, 7-year Gold Supplier history, verified supplier status, and 92.3% on-time delivery rate. If the company can provide stronger quality documentation and accumulate more transaction history and customer reviews, it could become a stronger candidate for larger or repeat procurement programs.