Xingtai Longcheng Sealing Co., Ltd. Supplier Evaluation
Executive Summary
Xingtai Longcheng Sealing Co., Ltd. is a China-based sealing product supplier located in Hebei, with a reported factory area of 5,000+ m2 and 110+ staff. The supplier shows a moderate-to-solid manufacturing foundation, supported by verified supplier status and a product portfolio focused on custom rubber, silicone, NBR, FPM/FKM, and O-ring sealing products. On , the company has 5 years of Gold Supplier history, supports Trade Assurance, and displays customization-related service tags including Full Customization, Minor Customization, and ODM service availability. Commercially, the supplier has recorded 300+ orders and CN¥1.5M+ transaction value over the past six months, with a 4.6 store rating and 30+ reviews. Its response time is within 3 hours and on-time dispatch rate is 87.1%, indicating acceptable but not top-tier delivery reliability. This supplier is suitable for buyers seeking small-to-medium volume customized sealing components with platform-backed transaction protection, while buyers with strict delivery or quality documentation requirements should conduct further verification.
Detailed Analysis
- Company Strength
Basis
- Country/Region: China, Hebei
- Factory area: 5,000+ m2
- Employees: 110+ staff
- Verified supplier: True
- Product scope provided: rubber/silicone sealing products, O-ring seals, NBR/FPM/FKM-related sealing products
Elaboration
The supplier demonstrates a moderate manufacturing base with a factory area exceeding 5,000 m2 and more than 110 employees. This indicates that the company is beyond a small workshop scale and has a structured production organization. The verified supplier status further supports the credibility of its factory presence. The listed products are concentrated around sealing components, including custom rubber and silicone products and O-ring seals, suggesting a focused product category rather than a highly diversified general trading profile.
However, the data does not include detailed production capacity, machinery list, annual output, export history, or specific factory audit reports beyond the verified supplier indicator. Therefore, while the supplier appears to have stable basic manufacturing capability, there is insufficient data to classify it as a large-scale supply chain player.
Scoring Rationale
A 5,000+ m2 facility and 110+ staff represent a medium-sized factory with reasonable production capacity for sealing components. Verified supplier status adds credibility to the manufacturing base. The score is not placed in the highest range because the available data does not show large-scale production metrics, advanced factory certifications, or detailed audit documentation. The supplier fits the “medium stable factory” category rather than a large-scale, fully documented industrial supplier.
Final Score: 16/20
- Platform & Compliance Credibility
Basis
- Gold Supplier: True
- Gold Supplier duration: 5 years
- Trade Assurance: True
- Verified supplier: True
- Certification/industry tags: Warranty available, Full customization, Minor customization, ODM service available
Elaboration
The supplier has a relatively complete platform credibility profile. A 5-year Gold Supplier record indicates a sustained platform presence, and Trade Assurance provides buyers with additional transaction protection. Verified supplier status strengthens platform trustworthiness by confirming that at least basic supplier verification has been completed.
The listed tags show service-related capabilities, especially customization and ODM service availability. However, no formal quality management certifications, product compliance certifications, material certifications, or international standards are provided in the data. The available platform indicators are strong, but compliance depth remains limited based on the submitted information.
Scoring Rationale
The supplier meets several important platform credibility indicators: Gold Supplier status, 5-year history, Trade Assurance, and verified supplier status. These elements justify a strong score. However, the absence of specific factory certifications or product compliance documents prevents a top-tier score. The supplier has solid platform-backed credibility but incomplete compliance evidence.
Final Score: 17/20
- Business Performance
Basis
- Orders in past 6 months: 300+
- Transaction value in past 6 months: CN¥1.5M+
- Store rating: 4.6
- Reviews: 30+
Elaboration
The supplier shows active recent business performance, with more than 300 orders and transaction value exceeding CN¥1.5M in the past six months. This suggests consistent buyer activity and market acceptance on the platform. The store rating of 4.6 is positive, although not at the highest level. The review count of 30+ provides some customer feedback basis, but it is not large enough to be considered highly extensive.
The combination of order count and transaction value indicates stable commercial activity. However, the rating and review volume suggest there is still room to strengthen buyer feedback visibility and customer satisfaction proof.
Scoring Rationale
The supplier’s 300+ recent orders and CN¥1.5M+ transaction value support a stable medium-to-good business performance score. The 4.6 rating is acceptable and positive, but not exceptional. The 30+ review count gives a limited but meaningful feedback sample. Overall, the supplier has solid transaction validation, though not enough evidence for a top score reserved for suppliers with very high ratings, larger review bases, and stronger transaction scale.
Final Score: 16/20
- Service Capability
Basis
- Response time: ≤3h
- Full Customization: Available
- Minor Customization: Available
- ODM service: Available
- Warranty available: Listed
Elaboration
The supplier’s response time of within 3 hours is acceptable for international sourcing communication, though it is not within the strongest benchmark of one hour or less. The presence of Full Customization, Minor Customization, and ODM service tags indicates that the supplier can support customized requirements, which is important for rubber and sealing components where dimensions, materials, hardness, and application requirements often vary.
The available data does not include quotation speed, engineering support details, sample lead time, language capability, or after-sales service process. Therefore, service capability appears functional and customization-oriented, but not fully documented.
Scoring Rationale
The supplier deserves a good score because it supports multiple customization service models and has a reasonable response time. It does not reach the highest service band because the response time is longer than one hour and there is insufficient data on technical communication depth, project management, or post-sales handling. The score reflects solid but not premium service responsiveness.
Final Score: 8/10
- Delivery Performance
Basis
- On-time dispatch rate: 87.1%
Elaboration
The supplier’s on-time dispatch rate of 87.1% falls within the 80% to 89% scoring band. This indicates generally acceptable delivery execution, but it also suggests that a measurable portion of orders may experience dispatch delays. For customized sealing products, delivery timing can depend on tooling, material availability, and production scheduling, but the provided data does not include reasons for delays or average lead times.
Buyers with flexible timelines may find this delivery performance acceptable. Buyers with strict production schedules, urgent maintenance needs, or just-in-time inventory requirements should confirm lead times and dispatch commitments before placing larger orders.
Scoring Rationale
Based strictly on the scoring rule, an 87.1% on-time dispatch rate qualifies for the 7–8 point range. Since the result is in the upper part of the 80%–89% band, the supplier receives 8 points. It is not scored higher because it does not reach the 90%+ threshold.
Final Score: 8/10
- Quality & Customer Feedback
Basis
- Store rating: 4.6
- Reviews: 30+
- 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, which indicates generally positive customer satisfaction. The 30+ reviews provide some feedback base, although the quantity is relatively limited compared with suppliers that have extensive review histories. Verified supplier status provides some credibility regarding supplier identity or factory presence, but the provided data does not confirm Finished Product Inspection or detailed quality control processes.
There is no information on quality certifications, inspection procedures, defect rates, material traceability, test reports, or compliance with application-specific standards. Therefore, quality evaluation must rely mainly on the store rating, review count, and verified supplier indicator.
Scoring Rationale
The supplier has a positive rating and a limited but meaningful number of reviews, supporting a moderate-to-good quality feedback score. Verified supplier status adds confidence, but the absence of confirmed Finished Product Inspection and detailed factory verification scope limits the score. The supplier appears acceptable from customer feedback data, but quality assurance documentation remains insufficient for higher-risk procurement decisions.
Final Score: 14/20
Total Score
- Company Strength: 16/20
- Platform & Compliance Credibility: 17/20
- Business Performance: 16/20
- Service Capability: 8/10
- Delivery Performance: 8/10
- Quality & Customer Feedback: 14/20
Total Score: 79/100
Procurement Recommendation
Cooperation is conditionally recommended. Xingtai Longcheng Sealing Co., Ltd. appears suitable for buyers seeking customized rubber, silicone, NBR, FPM/FKM, and O-ring sealing products with relatively low MOQ options and platform protection. The supplier is best matched with small-to-medium volume buyers, customized component purchasers, maintenance parts buyers, and buyers who value flexible customization with moderate transaction validation.
The main risks are incomplete quality documentation, limited review volume, and delivery performance below the 90% benchmark. Finished Product Inspection status, detailed factory verification scope, formal quality certifications, material testing capability, and production lead times are all Insufficient Data and should be confirmed before large or critical orders.
Growth potential is moderate to positive. The supplier already shows a stable factory base, 5-year Gold Supplier history, active recent transactions, and customization service capability. If it improves documented quality assurance, increases review volume, and raises on-time dispatch performance above 90%, it could become a stronger candidate for larger and more repeatable procurement programs.
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