Shandong Sair Mechanical Guide Co., Ltd. Supplier Evaluation

Executive Summary

Shandong Sair Mechanical Guide Co., Ltd. is a China-based supplier located in Shandong, with a reported factory area of 21,000+ m², 50+ staff, and verified supplier status. Its listed products focus on mechanical guide and CNC-related components, including flexible couplings, ball screw couplings, ball screw shafts, and CNC connection parts, with low minimum order quantities ranging from 1 piece to 10 pieces. The supplier shows strong platform credibility, supported by 14 years as an Gold Supplier, Trade Assurance availability, and stated platform tags including response time within 3 hours and 93.2% on-time delivery. Business performance appears solid, with 300+ orders and CN¥1.7M+ transaction value over the past six months, along with a 4.8 store rating and 40+ reviews. This supplier is suitable for buyers seeking small-to-medium batch sourcing of mechanical transmission or CNC accessory components, especially where low MOQ and established platform history are important.

Detailed Analysis

1. Company Strength

Basis
- Factory location: Shandong, China
- Factory area: 21,000+ m²
- Employee count: 50+ staff
- Verified supplier: True

Elaboration
The supplier has a relatively substantial factory area of more than 21,000 m², which indicates a meaningful physical production base. The employee count of 50+ staff suggests a small-to-medium workforce rather than a very large-scale industrial operation. The verified supplier status strengthens confidence that the company has passed some form of platform or supplier verification.

Scoring Rationale
The factory area is strong and supports the view that the supplier has an established operating site. However, the workforce size is moderate, and the provided data does not include detailed production capacity, annual output, machinery count, or specific factory audit certificates beyond verified supplier status. Therefore, the company fits best into the medium stable factory category rather than the highest large-scale supply chain tier.

Final Score
16 / 20

2. Platform & Compliance Credibility

Basis
- Gold Supplier: True
- Gold Supplier duration: 14 years
- Trade Assurance: True
- Certification / industry tags: Response time ≤3h; On-time delivery 93.2%
- Verified supplier: True

Elaboration
The supplier has a long Gold Supplier history of 14 years, which is a strong indicator of platform continuity. Trade Assurance availability adds transaction protection for buyers. The presence of verified supplier status and operational performance tags further supports platform-level credibility.

Scoring Rationale
A 14-year Gold Supplier record, Trade Assurance support, and verified supplier status represent a strong platform credibility profile. However, the provided data does not list internationally recognized product certifications, factory management system certifications, or detailed compliance documents. As a result, the score is high but not maximum, because the credibility is primarily platform-based rather than supported by a complete external certification portfolio.

Final Score
18 / 20

3. Business Performance

Basis
- Orders in past 6 months: 300+
- Transaction value in past 6 months: CN¥1.7M+
- Store rating: 4.8
- Review count: 40+

Elaboration
The supplier has recorded more than 300 orders over the past six months, indicating active commercial traction. The transaction value of CN¥1.7M+ shows measurable sales performance on the platform. A 4.8 store rating is positive, while 40+ reviews provide some customer feedback base, though not a very large review volume.

Scoring Rationale
The order volume and transaction value indicate stable and meaningful business activity. The 4.8 rating supports a favorable buyer perception. However, the review count is moderate rather than extensive, and the transaction scale, while solid, does not clearly place the supplier in the very highest commercial performance tier. Therefore, the supplier deserves an upper-mid score.

Final Score
17 / 20

4. Service Capability

Basis
- Communication response time: ≤3h
- Platform tag: Response time ≤3h
- Full Customization: Insufficient Data

Elaboration
The supplier’s stated response time of within 3 hours indicates acceptable communication efficiency. This is suitable for routine inquiry handling and standard procurement communication. However, the provided data does not confirm whether the supplier supports Full Customization, OEM customization, engineering customization, or design-based modification services.

Scoring Rationale
The response speed is good but does not meet the strongest benchmark of response within one hour. In addition, there is no provided evidence of Full Customization capability. Because service capability is supported by response efficiency but lacks confirmed customization data, the score should remain in the normal-to-good range rather than the top range.

Final Score
7 / 10

5. Delivery Performance

Basis
- On-time delivery rate: 93.2%

Elaboration
The supplier reports an on-time delivery rate of 93.2%, which is above the 90% threshold for strong delivery performance. This suggests that the supplier has generally reliable shipment execution based on the available platform data.

Scoring Rationale
According to the scoring standard, an on-time delivery rate above 90% qualifies for 9 to 10 points. Since the figure is 93.2%, the supplier demonstrates strong delivery reliability. However, the data does not provide additional details such as average lead time, late shipment causes, or performance by product category, so a strong but not perfect score is appropriate.

Final Score
9 / 10

6. Quality & Customer Feedback

Basis
- Store rating: 4.8
- Review count: 40+
- 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 good store rating of 4.8, supported by more than 40 reviews. This indicates generally positive customer feedback, but the review base is not large enough to fully validate long-term consistency across a broad buyer pool. Verified supplier status provides some quality-related confidence, but there is no explicit data confirming Finished Product Inspection or detailed factory verification procedures.

Scoring Rationale
The supplier’s rating is favorable and its review count gives a basic customer feedback foundation. However, the absence of confirmed Finished Product Inspection and the lack of detailed quality system information limit the quality assurance assessment. Because the available quality evidence is positive but incomplete, the supplier fits the “good rating with basic quality assurance” range rather than the highest tier.

Final Score
15 / 20

Total Score

82 / 100

Procurement Recommendation

Cooperation is recommended with controlled qualification steps. Shandong Sair Mechanical Guide Co., Ltd. shows strong platform credibility, a long Gold Supplier history, active recent transaction performance, reliable on-time delivery, and a meaningful factory footprint. It is suitable for buyers sourcing mechanical guide components, flexible couplings, ball screw-related parts, and CNC connection parts, especially for low-MOQ trial orders or small-to-medium batch procurement.

The main risks are incomplete quality-system visibility, insufficient data on Finished Product Inspection, and no confirmed Full Customization capability. Buyers should request product specifications, inspection standards, sample validation, and any available factory or quality documentation before scaling orders. The supplier’s growth potential appears positive based on 300+ recent orders, CN¥1.7M+ transaction value, and 93.2% on-time delivery, but larger buyers should still perform technical and quality due diligence before long-term cooperation.