Xingtai Longcheng Sealing Co.,Ltd. Supplier Evaluation

Executive Summary

Xingtai Longcheng Sealing Co.,Ltd. is a China-based sealing and rubber parts supplier located in Hebei, with a reported factory area of 5,000+ sqm and 120+ staff. The company appears to operate as a medium-scale manufacturer focused on O-rings, rubber parts, X-rings, silicone/EPDM components, and customized rubber sealing products. Its profile shows 5 years as a Gold Supplier, Trade Assurance support, and audited supplier status, providing a relatively solid platform credibility base. Commercial performance is strong, with 300+ orders and CN¥1.3M+ transaction value over the past six months, supported by a 5.0 store rating and 50+ reviews. Delivery performance is moderate, with an 82.7% on-time delivery rate. This supplier is suitable for buyers seeking cost-effective rubber sealing components, small-to-medium batch sourcing, and suppliers with proven platform transaction history. Key limitations include insufficient data on formal quality certifications, Finished Product Inspection, and full customization capability.

Detailed Analysis

1. Company Strength

Basis
- Factory location: Hebei, China
- Factory area: 5,000+ sqm
- Employees: 120+ staff
- Audited supplier: True

Elaboration
The supplier has a clearly stated manufacturing base with 5,000+ sqm of factory space and more than 120 employees. This indicates a medium-scale production setup rather than a small workshop. The presence of audited supplier status adds credibility to the existence and basic operational capability of the factory.

Scoring Rationale
The company demonstrates stable production fundamentals through its factory size, employee base, and audited supplier status. However, the available data does not show evidence of very large-scale production capacity, multiple production sites, advanced factory certifications, or detailed production-line information. Therefore, it fits best within the “medium stable factory” range rather than the top-tier large-scale supply chain category.

Final Score
16 / 20

2. Platform & Compliance Credibility

Basis
- Gold Supplier: True
- Gold Supplier duration: 5 years
- Trade Assurance: True
- Certification / industry labels: “Response time ≤4h”, “On-time delivery 82.7%”
- Audited supplier: True

Elaboration
The supplier has maintained Gold Supplier status for 5 years and supports Trade Assurance, both of which strengthen platform-level trust. Audited supplier status further supports the credibility of the company profile. The available platform labels show measurable service and delivery performance, though the provided data does not include detailed third-party compliance certificates or product-specific certifications.

Scoring Rationale
The supplier has the core credibility elements expected from a reliable seller: Gold Supplier history, Trade Assurance, and audited supplier status. A 5-year platform history is meaningful, though not exceptionally long. Since no additional compliance certifications, industry-specific certificates, or detailed verification documents are provided, the score remains in the upper-middle range rather than the highest credibility tier.

Final Score
17 / 20

3. Business Performance

Basis
- Orders in past 6 months: 300+
- Transaction value in past 6 months: CN¥1.3M+
- Store rating: 5.0
- Reviews: 50+

Elaboration
The supplier has generated more than 300 orders and over CN¥1.3M in transaction value during the past six months, indicating active commercial traction. A 5.0 store rating with 50+ reviews shows positive buyer feedback and a reasonable level of transaction validation. The order volume is especially notable for a rubber parts and sealing component supplier, where unit prices are relatively low.

Scoring Rationale
The combination of high recent order count, meaningful transaction value, perfect store rating, and accumulated reviews supports a strong business performance score. While the data is positive, the review count is moderate rather than very large, and no repeat-buyer ratio or major customer information is provided. Therefore, the supplier qualifies as high-performing but not risk-free.

Final Score
18 / 20

4. Service Capability

Basis
- Communication response time: ≤4h
- Product listings include customized rubber parts and various sizes
- Full Customization capability: Insufficient Data

Elaboration
The supplier’s response time of within 4 hours suggests acceptable communication efficiency for international sourcing. Several listed products reference customized rubber parts, various sizes, and custom silicone/EPDM components, which indicates some customization orientation. However, the data does not explicitly confirm “Full Customization” capability or provide details about engineering support, mold development, sample lead time, or technical drawing handling.

Scoring Rationale
The supplier shows normal-to-good service responsiveness and appears to handle customized rubber parts based on product descriptions. However, the response time is not within the strongest ≤1 hour category, and full customization capability is not directly verified in the provided data. This supports a moderate service score rather than a high score.

Final Score
7 / 10

5. Delivery Performance

Basis
- On-time delivery rate: 82.7%

Elaboration
The supplier’s on-time delivery rate is 82.7%, placing it within the 80–89% band. This indicates that most orders are shipped on time, but there remains a measurable risk of delivery delays. For buyers with strict project timelines or production schedules, this delivery level should be monitored closely.

Scoring Rationale
According to the scoring standard, an on-time delivery rate between 80% and 89% corresponds to 7–8 points. Since 82.7% is closer to the lower end of this band, the supplier receives 7 points rather than 8.

Final Score
7 / 10

6. Quality & Customer Feedback

Basis
- Store rating: 5.0
- Reviews: 50+
- Audited supplier: True
- Finished Product Inspection: Insufficient Data
- Factory Verification: Audited supplier status provided, but detailed factory verification scope is Insufficient Data

Elaboration
The supplier has a strong 5.0 store rating and 50+ reviews, indicating positive customer feedback on the platform. Audited supplier status provides some quality-related reassurance at the company verification level. However, the provided data does not confirm Finished Product Inspection, detailed quality control processes, product testing standards, material traceability, or formal quality certifications.

Scoring Rationale
Customer feedback is clearly positive, and the review count provides a useful but not extensive evidence base. The audited supplier status supports basic trust, but quality assurance data remains incomplete. Because Finished Product Inspection and detailed factory verification information are not explicitly confirmed, the supplier should not receive a top-tier quality score despite its excellent store rating.

Final Score
16 / 20

Total Score

Procurement Recommendation

Recommendation: Recommended for conditional cooperation.

Xingtai Longcheng Sealing Co.,Ltd. is suitable for buyers sourcing rubber sealing components, O-rings, X-rings, silicone/EPDM parts, and customized rubber parts where platform credibility, transaction history, and competitive small-MOQ options are important. The supplier is especially appropriate for small-to-medium batch procurement, sample testing, and cost-sensitive component sourcing.

The main strengths are its medium-scale factory base, 5-year Gold Supplier status, Trade Assurance support, audited supplier status, strong recent order performance, CN¥1.3M+ six-month transaction value, and 5.0 store rating.

The main risks are the 82.7% on-time delivery rate, which indicates moderate delivery reliability rather than excellent performance, and insufficient data on Finished Product Inspection, formal quality certifications, full customization capability, and detailed factory verification scope.

Before placing large or time-sensitive orders, buyers should request product samples, confirm material specifications, clarify inspection procedures, verify customization capability, and agree on delivery milestones through Trade Assurance. The supplier shows good growth potential due to its active transaction volume and positive customer feedback, but quality and delivery controls should be verified before deeper cooperation.