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PRODUCTS

Vertex TSM-DE21 650-675W
Vertex TSM-DE21 650-675W
Comprehensive Products andSystem Certificates

IE061215/IEC61730M1E061701/1EC62716/UL61730I50 9001: Quality Management System15014001: Environmental Management System15014064: Greenhouse Gases Emissions Verification15045001: 0ccupational Health and Safety Management System

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Product Description

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FAQs

Q: How to choose components from different brands? Would you recommend any?

A: We offer a “3-step selection service”:
① Recommend a technical approach (PERC/TOPCon) based on the lighting conditions at the project site.
② Compare the price differences between components of the same specifications from different brands (with the latest price list attached).
③ Provide reference data on power generation from completed projects in the local area.

Q: How to deal with component shortages?

A: Three-level contingency plan:
1. Prioritize the use of reserved production capacity from partner brands.
2. Activate the fast track for equivalent substitute brands.
3. Coordinate with ports to prioritize the allocation of goods in transit.

Q: How do you ensure the safe transportation of components?

A: We provide:
• Professional photovoltaic packaging (shockproof and moisture-proof)
• Full logistics insurance (including sea and land transport)
• Delivery damage inspection service (report submitted within 48 hours)

Q: How to judge the quality of photovoltaic modules?

A: Key indicators for reference:
Conversion efficiency ≥ 21% (monocrystalline PERC modules)
Annual degradation rate ≤ 0.55%
Obtained international certifications such as TÜV and IEC
(We provide free sample testing services)

Q: Do dirty component surfaces need to be cleaned?

A：Maintenance recommendations:
• Normal areas: Natural rainfall is sufficient for cleaning.
• Industrial/desert areas: Rinse with clean water every six months.
• Clean with a professional cleaning tool kit.

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