Zhangjiagang Qingzhou Jewelry Co., Ltd. Supplier Evaluation

Executive Summary

Zhangjiagang Qingzhou Jewelry Co., Ltd. is a China-based supplier located in Jiangsu, with a reported factory area of 2,000+㎡ and 20+ staff. Based on the provided data, the company appears to operate as a small-to-medium production supplier with verified supplier status and active platform credibility. Its listed products focus on mica powder, pigments, liquid colorants, and DIY art craft materials, with low MOQs ranging from 1 set to 5 pieces, making it potentially suitable for small-batch buyers, trial orders, online retailers, craft brands, and customized product testing.

The supplier shows strong commercial activity, with 600+ orders and CN¥946.5K+ transaction value over the past six months. A 4.6 store rating and 100+ reviews indicate a reasonable level of market validation. Delivery performance is particularly strong, with a reported 100.0% on-time delivery rate. Key limitations include limited disclosed information on full customization capability, finished product inspection, detailed factory certification, and broader quality management systems.

Detailed Analysis

1. Company Strength

Basis:
- Factory location: Jiangsu, China
- Factory area: 2,000+㎡
- Employees: 20+ staff
- Verified supplier: True

Elaboration:
The supplier has a disclosed physical factory scale of more than 2,000㎡ and a workforce of more than 20 staff. This indicates a basic established production setup rather than a purely trading-oriented profile. The verified supplier status adds credibility to the company’s operational existence and factory-related information. However, the available data does not indicate a large workforce, extensive production lines, annual capacity, or detailed factory certifications.

Scoring Rationale:
The company demonstrates basic-to-moderate production capability, supported by factory area, staff count, and verified supplier status. However, the staff size remains relatively small, and no detailed production capacity or factory certification information is provided. Therefore, it should not be classified as a large-scale stable supply chain, but it is stronger than a supplier with insufficient factory disclosure.

Final Score: 13 / 20

2. Platform & Compliance Credibility

Basis:
- Gold Supplier: True
- Gold Supplier duration: 7 years
- Trade Assurance: True
- Certification / platform tags: “On-time delivery 100.0%”, “Response time ≤4h”
- Verified supplier: True

Elaboration:
The supplier has maintained Gold Supplier status for 7 years, which indicates a relatively long platform operating history. Trade Assurance support provides additional transaction protection for buyers. The verified supplier status further strengthens platform credibility. The listed platform tags show strong delivery reliability and acceptable response performance. However, the provided data does not include independent industry certifications or detailed compliance documents.

Scoring Rationale:
The supplier has a strong credibility profile, combining 7 years of Gold Supplier status, Trade Assurance, and verified supplier information. These are meaningful indicators for platform-level trust. The score is not at the absolute maximum because certification details beyond /platform verification are not provided.

Final Score: 18 / 20

3. Business Performance

Basis:
- Orders in past 6 months: 600+
- Transaction value in past 6 months: CN¥946.5K+
- Store rating: 4.6
- Reviews: 100+

Elaboration:
The supplier has demonstrated active recent commercial performance, with more than 600 orders and transaction value exceeding CN¥946.5K over the past six months. This level of activity suggests consistent buyer demand and a meaningful transaction record. The 4.6 store rating is positive, while 100+ reviews provide a reasonable amount of customer feedback, though not an exceptionally large review base.

Scoring Rationale:
The supplier shows strong recent order activity and transaction value, which supports commercial reliability. The 4.6 rating is good but not top-tier, and the review count is solid but not extremely high. Overall, the business performance is above average and commercially validated, but not enough to justify a perfect score.

Final Score: 17 / 20

4. Service Capability

Basis:
- Response time: ≤4h
- Full Customization: Insufficient Data

Elaboration:
The supplier’s response time is listed as within 4 hours, indicating acceptable communication efficiency for -based procurement. This supports timely inquiry handling and basic supplier responsiveness. However, the provided data does not confirm whether the supplier supports Full Customization, OEM, ODM, private labeling, packaging customization, or formulation customization.

Scoring Rationale:
The response speed is reasonable, but it does not meet the highest benchmark of response within one hour. Because Full Customization capability is not disclosed, the supplier cannot be scored as having strong customization service capability. The score reflects acceptable but not fully verified service strength.

Final Score: 7 / 10

5. Delivery Performance

Basis:
- On-time delivery rate: 100.0%

Elaboration:
The reported on-time delivery rate is 100.0%, which is the strongest delivery indicator available in the provided dataset. This suggests the supplier has performed well in fulfilling orders within expected timelines on the platform.

Scoring Rationale:
According to the scoring standard, an on-time delivery rate above 90% qualifies for 9–10 points. Since the provided rate is 100.0%, the supplier earns the maximum score in this category.

Final Score: 10 / 10

6. Quality & Customer Feedback

Basis:
- Store rating: 4.6
- Reviews: 100+
- Verified supplier: True
- Finished Product Inspection: Insufficient Data
- Factory Verification: Verified supplier status provided, but detailed factory verification scope is Insufficient Data

Elaboration:
The supplier has a 4.6 store rating and more than 100 reviews, indicating generally positive customer feedback with a moderate review base. Verified supplier status provides some quality-related credibility at the supplier profile level. However, the data does not confirm Finished Product Inspection, formal quality management certification, inspection workflow, defect rate, or detailed factory verification scope.

Scoring Rationale:
The customer feedback profile is positive, and the review count provides some commercial validation. However, because Finished Product Inspection and detailed quality assurance systems are not disclosed, the supplier cannot be rated as having a fully developed quality control structure. The score reflects good customer feedback with incomplete quality system transparency.

Final Score: 15 / 20

Total Score

80 / 100

Procurement Recommendation

Zhangjiagang Qingzhou Jewelry Co., Ltd. is recommended for conditional cooperation, especially for buyers seeking low-MOQ mica powder, pigment, liquid colorant, and DIY craft material products. The supplier is suitable for small-batch procurement, sample testing, e-commerce sellers, craft product buyers, and buyers who value Trade Assurance and proven recent transaction activity.

The main strengths are 7 years of Gold Supplier status, Trade Assurance support, verified supplier status, 600+ recent orders, CN¥946.5K+ recent transaction value, and 100.0% on-time delivery. The main risks are limited disclosure regarding full customization capability, finished product inspection, detailed factory certification, production capacity, and formal quality management systems.

Overall, the supplier shows strong platform credibility and delivery performance, with moderate production scale and good business activity. It has growth potential for buyers starting with small or medium-volume orders, but larger or quality-sensitive buyers should request inspection procedures, customization confirmation, production capacity details, and compliance documents before scaling procurement.