Grin (Hangzhou) Technology Co., Ltd. Supplier Evaluation

Executive Summary

Grin (Hangzhou) Technology Co., Ltd. is a China-based supplier located in Zhejiang, offering electric toothbrushes, children sonic toothbrushes, U-shaped ultrasonic toothbrushes, rotating toothbrushes, and IPX7 waterproof USB rechargeable electric flossers. Based on the provided data, the company shows a relatively stable small-to-medium production profile, with a factory area of 6,500+ m², 30+ staff, and verified supplier status. Its platform credibility is supported by 2 years as a Gold Supplier, Trade Assurance availability, Finished Product Inspection, warranty availability, and delivery/response performance labels. Commercial activity appears solid, with 200+ orders and CN¥946.5K+ transaction value over the past six months, supported by a 4.8 store rating and 100+ reviews. The supplier is suitable for buyers seeking oral care electronic products with moderate order volumes and platform-backed transaction protection. Key considerations include limited staff scale, relatively short Gold Supplier history, and insufficient data on full customization capability.

Detailed Analysis

1. Company Strength

Basis
- Factory location: Zhejiang, China
- Factory area: 6,500+ m²
- Employee count: 30+ staff
- Verified supplier status: True

Elaboration
The supplier has a documented physical production base with a factory area above 6,500 m², which indicates a meaningful operating footprint for manufacturing or assembly activities. However, the employee count of 30+ suggests the company is not a large-scale labor-intensive manufacturer. The verified supplier status adds credibility to the existence and basic operational legitimacy of the company, but no additional factory audit details, production line count, annual capacity, or equipment information are provided.

Scoring Rationale
The company demonstrates basic-to-moderate manufacturing strength. The factory area is relatively solid, but the workforce size is limited, which may constrain large-volume production flexibility. Verified supplier status supports operational reliability, but the available data does not prove large-scale supply chain depth. Therefore, the supplier fits better into the medium-small stable factory category rather than a large-scale mature supply chain.

Final Score
15 / 20

2. Platform & Compliance Credibility

Basis
- Gold Supplier: True
- Gold Supplier duration: 2 years
- Trade Assurance: True
- Verified supplier: True
- Certification / platform labels: Warranty available, Finished Product Inspection, On-time delivery 89.8%, Response time ≤2h

Elaboration
The supplier has several important platform credibility indicators, including Gold Supplier status, Trade Assurance support, and verified supplier status. These features provide buyers with a basic level of transaction security and platform-backed credibility. The presence of Finished Product Inspection and warranty availability further strengthens compliance and quality-related visibility. However, the Gold Supplier history is only 2 years, which is relatively short compared with long-established suppliers.

Scoring Rationale
The supplier has most of the core platform trust elements required for a credible supplier: Gold Supplier status, Trade Assurance, verification, and inspection-related labels. The main limitation is the short Gold Supplier duration, which reduces evidence of long-term platform stability. Overall, the platform compliance profile is good but not yet at the level of a long-term, fully proven supplier.

Final Score
16 / 20

3. Business Performance

Basis
- Orders in past 6 months: 200+
- Transaction value in past 6 months: CN¥946.5K+
- Store rating: 4.8
- Reviews: 100+

Elaboration
The supplier has visible recent transaction activity, with more than 200 orders and over CN¥946.5K in transaction value during the past six months. This indicates that the store has active commercial demand and a demonstrated record of fulfilling buyer orders through the platform. The 4.8 rating and 100+ reviews provide additional buyer-side validation, although the data does not include detailed review content, repeat customer ratio, dispute rate, or refund performance.

Scoring Rationale
The business performance is stronger than basic verification level because the supplier has both order volume and transaction value. The 4.8 rating supports positive buyer feedback, while 100+ reviews provide a reasonable review base. However, the transaction value and review volume do not indicate very high-scale platform dominance, so the score is positioned in the upper-middle range rather than the highest tier.

Final Score
17 / 20

4. Service Capability

Basis
- Communication response time: ≤2h
- Response label: Response time ≤2h
- Full Customization capability: Insufficient Data

Elaboration
The supplier demonstrates acceptable communication responsiveness, with a stated response time of less than or equal to two hours. This is useful for procurement teams that require timely quotation follow-up, order clarification, and after-sales communication. However, the data does not confirm whether the supplier supports Full Customization, private labeling, packaging customization, product design customization, or OEM/ODM services.

Scoring Rationale
A response time within two hours is positive, but the scoring criteria reserve the highest range for response time within one hour combined with strong customization capability. Since Full Customization information is not provided, the supplier cannot be scored as having advanced service capability. The service level is therefore assessed as normal and reliable, but not proven to be highly customized.

Final Score
7 / 10

5. Delivery Performance

Basis
- On-time delivery rate: 89.8%

Elaboration
The supplier’s stated on-time delivery rate is 89.8%, which is close to the 90% threshold but remains within the 80–89% scoring band. This indicates generally acceptable delivery reliability, though it does not reach the strongest delivery performance tier. For buyers with strict launch schedules or seasonal sales windows, this figure should be reviewed carefully before placing large or time-sensitive orders.

Scoring Rationale
According to the scoring framework, an on-time delivery rate between 80% and 89% corresponds to 7–8 points. At 89.8%, the supplier is at the upper end of this band and very close to the next level, but it should not be rounded into the 90%+ category based on the provided data.

Final Score
8 / 10

6. Quality & Customer Feedback

Basis
- Store rating: 4.8
- Reviews: 100+
- Finished Product Inspection: Present
- Verified supplier / factory verification indicator: True
- Warranty available: Present

Elaboration
The supplier has a favorable store rating of 4.8 and more than 100 reviews, suggesting generally positive buyer feedback. Finished Product Inspection is an important quality-control indicator, showing that product inspection is available before shipment or completion. Warranty availability also supports post-sale confidence. However, the data does not include specific quality certifications, defect rates, inspection standards, sample approval process, or detailed customer complaint records.

Scoring Rationale
The supplier has a strong combination of positive rating, meaningful review count, Finished Product Inspection, and verified supplier status. These factors support a relatively reliable quality profile. However, the available data is not sufficient to classify the quality system as fully comprehensive, especially without product compliance certifications or detailed QC documentation. The score is therefore high but not at the maximum level.

Final Score
17 / 20

Total Score

80 / 100

Procurement Recommendation

Grin (Hangzhou) Technology Co., Ltd. is recommended for conditional cooperation, especially for buyers sourcing electric toothbrushes, children sonic toothbrushes, U-shaped ultrasonic toothbrushes, rotating toothbrushes, and rechargeable electric flossers at moderate order volumes.

The supplier is suitable for: - Small to medium-sized importers seeking Trade Assurance protection. - E-commerce sellers requiring oral care electronic products with relatively low MOQ options. - Buyers who value Finished Product Inspection, warranty availability, and visible platform transaction history. - Procurement teams that need responsive communication within a reasonable timeframe.

Main risk points: - Staff size is limited at 30+ employees, which may affect large-volume scalability. - Gold Supplier history is only 2 years, so long-term platform stability is not yet strongly proven. - Full Customization capability is Insufficient Data. - On-time delivery rate is 89.8%, close to but still below the 90% high-performance benchmark. - No product compliance certifications or detailed QC standards are provided in the data.

Growth potential is moderate to good. The supplier already has active transaction performance, positive customer feedback, Trade Assurance support, Finished Product Inspection, and a reasonable factory area. If it can improve delivery performance above 90%, expand verified customization capabilities, and provide more detailed quality certification data, its procurement attractiveness would increase further.