What is your warranty?

We provide lifetime guarantee for our products and the warranty is 12 months. During warranty period, we provide repair parts free of charge and online instructions by video-call. If your problem can not be solved, we will send engineer over to your destination.

Factory Wholesale 330 Watts 400 Watts Solar Panel with High Effeciency

Name: Factory Wholesale 330 Watts 400 Watts Solar Panel with High Effeciency
Brand: Chengde Zhenbang New Energy Technology Co., Ltd.
SKU: 2015706692

Hebei, ChinaChengde Zhenbang New Energy Technology Co., Ltd.

US$0.11-0.13

620 Pieces

Product profile

Customization

Available

After-sales Service

Lifetime Service

Warranty

25 Years

Number of Cells

72pcs

Application

Industrial, Commercial, Farm, Residential

Condition

New

Certification

Material

Monocrystalline Silicon

Type

Perc, Bifacial, Double-Glass, All Black, Mwt, IBC

Panel Efficiency

>95%

Solar Cell

182*182mm

Imp

13.45A

Connector

Compatible Connector

Cell Efficiency

18.6%

Model Number

Solar Panel 330W/400W

Cell Size

182mmx182mm

Panel Dimensions

1520*760*35mm

Vmp

18.6V

Frame

Aluminum Alloy

Junction Box

IP65 Waterproof

Front Glass

High Transmission

Keyword

Photovoltaic Solar Energy System

Transport Package

Pallet

Specification

5410*1660*2190mm

Trademark

Origin

Hebei, China

HS Code

8541430000

Production Capacity

5, 0000 Pieces/Year

Key features

25-Year Warranty Coverage: Includes lifetime guarantee with free repair parts and online video instructions during the 12-month warranty period.

High Efficiency Solar Cells: Features Monocrystalline Silicon cells with efficiency up to 18.6% and panel efficiency exceeding 95%.

Customizable Panel Types: Available in PERC, Bifacial, Double-Glass, All Black, MWT, and IBC configurations based on customer needs.

OEM and ODM Services: Professional design team accepts both OEM and ODM orders to translate client ideas into perfect designs.

Diverse Power Options: Wide range of models from 40W to 600W suitable for industrial, commercial, farm, and residential applications.

IP65 Waterproof Junction Box: Equipped with high-transmission front glass and durable aluminum alloy frame for harsh environments.

Global Export Experience: Products exported to over 200 countries with intelligent, energy-saving, and environment-friendly designs.

Comprehensive After-Sales: Lifetime service support including engineer dispatch for unsolvable problems and 24/7 professional team.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceMulti-language PioneerPatents Awarded

Chengde Zhenbang New Energy Technology Co., Ltd.

Hebei, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤11.27h

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturing factory with one production line, 6–10 quality-control staff, and reported road-sweeper output of 3,600 units. It provides extensive customization, ODM, and OEM services, and reports new-product development during the past year. Service management is supported by written procedures and records for supplier assessment, corrective actions, and complaint handling. However, it reports no overseas warehouses, showrooms, agents or branches, overseas service countries, or prior offline trade-show participation. CE certification and recent fire-drill activity are reported. Financial information is inconsistent across the slices: several fields show zero values, while one slice reports non-zero annual revenue and operating cost; therefore financial credibility cannot be conclusively assessed. No specific customer names or case details are provided.

Supplier typeThe supplier is explicitly classified as a factory, and its associated companies are in manufacturing. It operates one production line and reports road-sweeper production, supporting its identity as a manufacturing supplier.

CertificationsCE is listed as the supplier’s sustainable-development and product certification capability. The supplier also reports conducting regular fire drills during the past year, although no additional certifications are identified.

After-Sales capabilityThe supplier has written procedures and records for customer complaints, corrective and preventive actions, and service-capability assessment. However, it reports no overseas warehouse, showroom, agent, branch, or overseas-service country, indicating limited geographically localized after-sales infrastructure.

R&D capabilityThe supplier reports new products during the past year, 6–10 years of total R&D engineer experience, ODM capability, and OEM service for known brands. It does not have an available SDK, so its demonstrated innovation capability is product-focused rather than supported by SDK integration.

Production capacityThe supplier reports one production line, 6–10 quality-control staff, and road-sweeper output of 3,600 units. It also states peak- and off-season lead times within 15 workdays, providing explicit evidence of operational production capability, although the single-line setup indicates limited disclosed production scale.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, indicating broad stated customization coverage.

Product Q&A

Q:Are you a manufacturer or a trading company?

We are factory located in Hebei province, China and we have a professional foreign trade team at your service around the clock.

Q:Can I order a sample to check your quality?

Yes for sure. Our MOQ is 1 piece and we charge only a little more than production price.

Q:How long can I expect to get the sample?

If we have stock, we can ship out within 5 business days after receipt of your full payment. If we are out of stock, the production takes about 20 days.

Q:Can you do OEM and ODM for us?

Yes we accept BOTH. We have a professional designer team who can translate your ideas into perfect design. Contact us for more details NOW.

Q:How long is your production time?

Generally for Non-OEM orders, our lead time is 20-25 days and 35-45 days for OEM orders.