Sarlboro Petrochemical Industry (Tianjin) Co., Ltd. Supplier Evaluation

Executive Summary

Sarlboro Petrochemical Industry (Tianjin) Co., Ltd. is a China-based petrochemical and lubricant supplier located in Tianjin, with a reported factory area of over 40,000 sqm and more than 160 staff. The supplier shows solid operational infrastructure, supported by verified supplier status, 10 years as an Gold Supplier, Trade Assurance availability, and platform labels including Finished Product Inspection, Full Customization, ODM service, and Minor Customization. Its product listings focus on automotive and industrial lubricant-related products, including synthetic motor oil, hydraulic oil, gasoline engine oil, and diesel engine oil, with low MOQ levels starting from 4 liters for several products. Commercial performance is moderate: the supplier recorded 10 orders and CN¥676.1K+ transaction value over the past six months, with a 4.6 store rating but only 3 reviews. Overall, this supplier appears suitable for buyers seeking a verified mid-to-large-scale lubricant supplier with customization capability, while buyers should carefully validate quality consistency due to limited review volume.

Detailed Analysis

1. Company Strength

Basis
- Factory location: Tianjin, China
- Factory area: 40,000+ sqm
- Employees: 160+ staff
- Verified supplier: True

Elaboration
The supplier has a relatively substantial physical manufacturing footprint, with a factory area exceeding 40,000 sqm. The employee count of more than 160 staff indicates an established operational team rather than a very small trading setup. The verified supplier status adds credibility to the company’s declared production presence, although no additional factory audit report details, production line count, annual capacity, or equipment data are provided.

Scoring Rationale
The factory area is strong and suggests meaningful production capacity. The staff size supports stable operations, though it does not indicate a very large-scale enterprise by itself. Because the supplier is verified and has a sizable factory base, it qualifies above the basic production-capability level. However, due to insufficient data on actual production capacity, annual output, machinery, or detailed factory certification, it should not receive a maximum score.

Final Score
17 / 20

2. Platform & Compliance Credibility

Basis
- Gold Supplier: True
- Gold Supplier duration: 10 years
- Trade Assurance: True
- Certification / industry labels: Finished Product Inspection, Full Customization, ODM service available, Minor customization

Elaboration
The supplier demonstrates strong platform credibility through 10 years of Gold Supplier history and Trade Assurance support. The presence of Finished Product Inspection indicates a platform-recognized quality-control-related label, while customization and ODM labels show service capability on the platform. These indicators create a relatively complete credibility profile.

Scoring Rationale
A 10-year Gold Supplier record is a strong platform trust signal, especially when combined with Trade Assurance and multiple operational labels. The supplier also has a Finished Product Inspection label, which supports compliance credibility from a procurement perspective. However, the data does not provide external certifications, detailed audit certificates, or specific industry compliance documents, so the score remains slightly below full marks.

Final Score
19 / 20

3. Business Performance

Basis
- Orders in the past 6 months: 10
- Transaction value in the past 6 months: CN¥676.1K+
- Store rating: 4.6
- Number of reviews: 3

Elaboration
The supplier shows measurable commercial activity, with 10 orders and CN¥676.1K+ in transaction value over the past six months. The transaction value is meaningful relative to the low order count, suggesting that at least some orders may have been of higher value. The 4.6 store rating is positive, but the review count of only 3 limits the statistical reliability of the rating.

Scoring Rationale
The transaction value supports a moderate business-performance score, but the order count is not high and the review base is very limited. The supplier has evidence of recent platform transactions, so it should not be considered commercially unverified. However, compared with suppliers showing high order volume, large transaction frequency, and many reviews, the commercial validation remains limited.

Final Score
13 / 20

4. Service Capability

Basis
- Communication response time: ≤7h
- Full Customization: Listed
- ODM service available: Listed
- Minor customization: Listed

Elaboration
The supplier provides several customization-related platform labels, including Full Customization, ODM service, and Minor customization. This indicates flexibility for buyers requiring adjusted formulations, packaging, branding, or other customized service scopes, although the exact customization scope is not specified in the provided data. The response time of ≤7 hours is acceptable but not among the fastest supplier response tiers.

Scoring Rationale
The customization capability is a clear strength, especially because Full Customization and ODM service are both listed. However, the response time does not meet the highest-performance benchmark of ≤1 hour. Therefore, the supplier demonstrates good but not top-tier service responsiveness.

Final Score
8 / 10

5. Delivery Performance

Basis
- On-time delivery rate: 85.7%

Elaboration
The supplier’s on-time delivery rate falls within the 80%–89% range. This indicates generally acceptable delivery reliability, but there is still a noticeable risk of delayed shipments compared with suppliers achieving over 90% on-time performance.

Scoring Rationale
Based on the provided scoring standard, an 85.7% on-time delivery rate corresponds to the 7–8 point range. Since the rate is closer to the middle of this band and below the 90% threshold for top performance, the supplier receives a solid but not excellent score.

Final Score
8 / 10

6. Quality & Customer Feedback

Basis
- Store rating: 4.6
- Number of reviews: 3
- Finished Product Inspection: Listed
- Verified supplier: True

Elaboration
The supplier has a positive store rating of 4.6, and the presence of Finished Product Inspection provides a platform-recognized quality assurance indicator. Verified supplier status further supports basic credibility. However, the review count is only 3, which is too limited to strongly validate consistent customer satisfaction or long-term product quality performance.

Scoring Rationale
The supplier has useful quality signals, especially Finished Product Inspection and a good rating. However, the small number of reviews weakens confidence in the rating’s representativeness. There is also insufficient data on defect rates, third-party product certifications, batch testing, warranty claims, or detailed inspection reports. As a result, the supplier is rated as having good baseline quality controls but limited customer feedback validation.

Final Score
15 / 20

Total Score

80 / 100

Score breakdown:
- Company Strength: 17 / 20
- Platform & Compliance Credibility: 19 / 20
- Business Performance: 13 / 20
- Service Capability: 8 / 10
- Delivery Performance: 8 / 10
- Quality & Customer Feedback: 15 / 20

Procurement Recommendation

Sarlboro Petrochemical Industry (Tianjin) Co., Ltd. is recommended for conditional cooperation, especially for buyers seeking a verified Chinese supplier of lubricant-related products with customization and ODM capability. The supplier is most suitable for small to medium-sized importers, distributors, private-label buyers, and buyers requiring flexible MOQ options.

The main strengths are its 40,000+ sqm factory area, 160+ staff scale, 10-year Gold Supplier status, Trade Assurance support, Finished Product Inspection label, and customization capability. These factors indicate a relatively credible and operationally established supplier.

The main risks are limited customer review volume, moderate recent order count, and an on-time delivery rate of 85.7%, which is acceptable but not top-tier. Before large-volume procurement, buyers should request product specifications, inspection records, sample testing, packaging confirmation, lead-time commitments, and clear after-sales terms.

Overall, the supplier has good growth potential and appears suitable for trial orders or controlled-volume cooperation before scaling to larger procurement commitments.