Changzhou Nantai Gas Spring Co., Ltd. Supplier Evaluation

Executive Summary

Changzhou Nantai Gas Spring Co., Ltd. is a China-based supplier located in Jiangsu, with a reported factory area of 19,000+ m² and 80+ staff. The company appears to focus on gas spring and pneumatic/hydraulic-related products, including customized steel nitrogen gas piston pneumatic items, adjustable gas products, and OEM heavy-duty gas spring variants. Its platform credibility is strong, supported by 18 years as a Gold Supplier, Trade Assurance availability, verified supplier status, and customization-related service labels. Commercial performance is moderate: the supplier recorded 10+ orders and CN¥135.2K+ transaction value in the past six months, with a 5.0 store rating but only 3 reviews. Service capability is acceptable but not premium, as response time is within 5 hours and full customization is available. The main concern is delivery reliability, with an on-time shipment rate of only 37.5%. This supplier is more suitable for buyers who prioritize established platform credibility and customization capability, while closely managing delivery risk.

Detailed Analysis

1. Company Strength

Basis
- Factory area: 19,000+ m²
- Employees: 80+ staff
- Location: Jiangsu, China
- Verified supplier: True
- Product scope includes multiple gas spring / pneumatic / hydraulic-related product listings

Elaboration
The supplier shows a relatively solid physical operating base, with a reported factory area exceeding 19,000 m². The employee scale of 80+ staff suggests a small-to-medium production organization rather than a very large industrial manufacturer. The presence of multiple listed products with OEM or customized attributes indicates that the company has some degree of production flexibility within its stated product category. Verified supplier status provides additional support that the company has undergone some form of platform or supplier verification.

Scoring Rationale
The factory area is comparatively strong and supports the view that the supplier has more than basic production capacity. However, the workforce size of 80+ staff does not indicate a large-scale supply chain operation. The available data supports classification as a stable mid-sized factory rather than a large-scale manufacturer. Because the supplier has verified status and a meaningful facility size, the score should be above the basic-capability range, but not at the top tier.

Final Score
16 / 20

2. Platform & Compliance Credibility

Basis
- Gold Supplier: True
- Gold Supplier duration: 18 years
- Trade Assurance: True
- Verified supplier: True
- Certification / industry labels: ODM service available, Full customization, Minor customization, Response time ≤5h

Elaboration
The supplier has a strong platform history, with 18 years as an Gold Supplier. This is a significant credibility indicator because it reflects long-term platform presence. Trade Assurance availability further improves transactional security for buyers. The verified supplier status strengthens platform-side trust, while the service labels show that has recorded customization and response capability indicators for this supplier.

Scoring Rationale
This is one of the supplier’s strongest dimensions. The combination of long Gold Supplier tenure, Trade Assurance, verified supplier status, and complete platform service labels indicates a mature platform credibility profile. The only limitation is that no specific third-party management system certification, product certification, or industry compliance certificate is provided in the supplied data. Therefore, the supplier deserves a high score, but not a perfect score.

Final Score
19 / 20

3. Business Performance

Basis
- Past 6-month orders: 10+
- Past 6-month transaction value: CN¥135.2K+
- Store rating: 5.0
- Reviews: 3

Elaboration
The supplier has recorded recent commercial activity, with more than 10 orders and over CN¥135.2K in transaction value during the past six months. This confirms that the supplier has active marketplace transactions. The 5.0 store rating is positive, but the review count is only 3, which limits the reliability of the rating as a broad performance indicator.

Scoring Rationale
The business data shows real transaction activity, but the order quantity and transaction value are not high enough to indicate strong marketplace volume. The excellent 5.0 rating supports buyer satisfaction, but only 3 reviews mean the feedback base is narrow. As a result, the supplier fits better into the “stable but limited commercial validation” category rather than a high-volume, highly validated supplier.

Final Score
14 / 20

4. Service Capability

Basis
- Communication response time: ≤5h
- Full customization: Available
- Minor customization: Available
- ODM service: Available

Elaboration
The supplier demonstrates useful service capabilities for customized sourcing projects. Full customization, minor customization, and ODM service labels indicate that the supplier can support buyers requiring product adaptation or tailored specifications. However, the response time is listed as within 5 hours, which is acceptable but not in the strongest service tier.

Scoring Rationale
The availability of full customization and ODM service strengthens the supplier’s service profile. However, the response time does not meet the highest benchmark of ≤1 hour. Therefore, the supplier should be scored as having solid but not premium service capability. It is suitable for customization-driven procurement, provided buyers maintain clear communication timelines.

Final Score
8 / 10

5. Delivery Performance

Basis
- On-time shipment rate: 37.5%

Elaboration
Delivery performance is the supplier’s most significant weakness based on the provided data. An on-time shipment rate of 37.5% is far below the 70% threshold and indicates a high risk of delayed shipment. For buyers with strict delivery schedules, this metric requires close attention before placing large or time-sensitive orders.

Scoring Rationale
According to the scoring framework, an on-time shipment rate below 70% should receive fewer than 5 points. At 37.5%, the supplier’s delivery reliability is materially weak. Even though the supplier has good platform credibility and customization capability, the low on-time shipment rate creates operational risk and should significantly reduce the delivery score.

Final Score
3 / 10

6. Quality & Customer Feedback

Basis
- Store rating: 5.0
- Reviews: 3
- Verified supplier: True
- Finished Product Inspection: Insufficient Data
- Factory Verification: Verified supplier status provided, but specific factory verification details are Insufficient Data

Elaboration
The supplier’s store rating is excellent at 5.0, but the review count is very limited. This means the rating is positive but not statistically strong. Verified supplier status provides some confidence in the supplier’s legitimacy and platform validation. However, the supplied data does not confirm whether the supplier has Finished Product Inspection or a detailed Factory Verification system. No product quality certification or inspection process evidence is provided.

Scoring Rationale
The high store rating supports a positive quality impression, but only 3 reviews limit the strength of customer feedback. The lack of explicit Finished Product Inspection data also prevents the supplier from being classified as having a complete quality assurance system. Verified supplier status helps, but it is not enough to fully offset the limited review base and missing inspection details. The appropriate score is therefore in the moderate range.

Final Score
14 / 20

Total Score

74 / 100

• Company Strength: 16 / 20
• Platform & Compliance Credibility: 19 / 20
• Business Performance: 14 / 20
• Service Capability: 8 / 10
• Delivery Performance: 3 / 10
• Quality & Customer Feedback: 14 / 20

Procurement Recommendation

Changzhou Nantai Gas Spring Co., Ltd. can be considered for cooperation, but with controlled procurement conditions. The supplier is best suited for buyers seeking gas spring or pneumatic/hydraulic-related products with OEM, ODM, full customization, or minor customization requirements. Its strongest advantages are long-term platform credibility, 18-year Gold Supplier status, Trade Assurance support, verified supplier status, and a meaningful factory scale.

The key risk is delivery performance. The reported on-time shipment rate of 37.5% is low and may create significant schedule uncertainty, especially for urgent, seasonal, or production-line-dependent orders. Quality feedback is positive but limited, as the store rating is 5.0 with only 3 reviews, and Finished Product Inspection information is not provided.

Recommended approach: proceed with sample orders or small-to-medium trial orders first, use Trade Assurance, define delivery milestones clearly, and request additional quality inspection evidence before scaling up. The supplier has growth potential due to its platform maturity and customization capability, but delivery reliability must be verified before larger procurement commitments.