Authorized Tier-1 Sourcing Partner

Factory-Direct Pricing. Distributor-Level Accountability.

Tier-1 factory pricing with distributor-level accountability - vetted lines, pre-shipment inspection and full docs, so the price gap is real and the risk isn't yours.

Get a Quote Now Free: Solar Procurement Risk Checklist + Factory Price Index - with your inquiry
Company headquarters - sourcing partner office
<1hResponse Time
0Middlemen
24/7WhatsApp Support
Tier-1Tier-1 Factory Network

Product Matrix

Six product lines, all sourced from IEC/TÜV-certified tier-1 production lines.

3C digital lithium battery packs

3C Digital Lithium Batteries

Small series/parallel battery packs for 3C digital products (flashlights, Bluetooth speakers, beauty devices) and smart home (robot vacuums, e-curtains, smart locks).

3C / Smart Home Packs

E-bike & motorcycle lithium batteries

E-bike & Motorcycle Lithium Batteries

Built for two/three-wheelers and low-speed four-wheelers, intelligent BMS monitors battery health for safety.

Intelligent BMS

Outdoor & vehicle energy storage

Outdoor & Vehicle Energy Storage

Portable power series 200W-3000W with vehicle and solar charging - no endurance anxiety for camping or road trips.

200W - 3000W Portable

Small solar power systems

Small Solar Power Systems

Solar street lights and solar monitoring systems - install-and-run for off-grid scenes.

Street Light / Monitoring

Large solar energy storage systems

Large Solar Energy Storage Systems

Integrated solar-storage-charging (EMS + AC bus + solar + storage + charging piles, fast and ultra-fast charging) and integrated solar-storage systems.

EMS + AC Bus + Charging Pile

Wind energy storage systems

Wind Energy Storage Systems

Wind-farm storage to smooth fluctuations and shift peaks - grid-ready across scenarios.

Grid-Ready Wind Storage

Why Choose Us

Our Identity

Authorized Overseas Tier-1 Distributor & Sourcing Partner

Warranty per manufacturer warranty terms

Tier-1 Sourcing Pricing

Priced at tier-1 factory tiers, no layered distributor markup.

Export Compliance Loop

Certification, customs, docs and logistics in one chain - single failure never blocks the rest.

Fast Response

Inquiries usually answered within minutes on WhatsApp.

How We Work

1

Source

We map your module, inverter and storage needs with target pricing.

2

Factory Audit

We audit tier-1 production lines and accept only IEC/TÜV-certified products.

3

QC & Docs

Factory QC, export certification and customs paperwork in one chain.

4

Logistics

Door-to-door tracking - a single hiccup never blocks the batch.

We source exclusively from IEC/TÜV-certified tier-1 production lines.

Certifications & Compliance

Only assets approved through the content firewall are displayed. Click any certificate to enlarge.

What You Get Beyond Price

Distributor-level accountability: every step has an owner, not just a quote.

Line Vetting

Only audited tier-1 production lines - QC records on file for each one.

Sample Confirm

Specs and looks confirmed on sample before PO - you see it before you commit.

Pre-shipment Inspection

Third-party pre-shipment check + photo report - fails never ship.

Full Docs Pack

Certs, packing list, B/L, COO in one chain - customs never stalls on us.

Warranty Claim Handling

Warranty per manufacturer warranty terms - we run the claim end to end.

Spare-parts Support

Common spares shipped with the batch - after-sales never ghosts you.

How We De-risk Your Purchase

1

Needs Alignment

Site, budget and cert requirements aligned item by item - right tier, not priciest.

2

Line Vetting

Audited partner tier-1 production line
Audited partner tier-1 production line

Tier-1 production lines audited for qualification and QC process - only passing lines.

3

Sample Confirm

Partner factory QC lab
Partner factory QC lab

Specs tested, looks confirmed - bulk proceeds only when it matches the sample.

4

Pre-shipment Inspection

Pre-shipment inspection
Pre-shipment inspection

Pre-shipment QC plus loading photos - issues fixed on the spot, not at port.

5

Docs & Customs

Full export docs ship with the cargo - customs paperwork lands complete and once.

6

After-sales Backstop

In-warranty issues run through the claim process - spares never a question mark.

Proof Wall

Only firewall-approved, captioned photos are shown.

Audited partner tier-1 production line
Audited partner tier-1 production line
Audited partner tier-1 production line
Audited partner tier-1 production line
Audited partner tier-1 production line
Audited partner tier-1 production line
Battery product line (off-matrix)
Battery product line (off-matrix)
Battery product line (off-matrix)
3C digital lithium battery packs
3C digital lithium battery packs
3C digital lithium battery packs
3C digital lithium battery packs
3C digital lithium battery packs
3C digital lithium battery packs
3C digital lithium battery packs
3C digital lithium battery packs
3C digital lithium battery packs
3C digital lithium battery packs
3C digital lithium battery packs
3C digital lithium battery packs
E-bike & motorcycle lithium batteries
E-bike & motorcycle lithium batteries
E-bike & motorcycle lithium batteries
E-bike & motorcycle lithium batteries
E-bike & motorcycle lithium batteries
E-bike & motorcycle lithium batteries
Large solar energy storage systems
Large solar energy storage systems
Large solar energy storage systems
Large solar energy storage systems
Large solar energy storage systems
Large solar energy storage systems
Large solar energy storage systems
Large solar energy storage systems
Large solar energy storage systems
Outdoor & vehicle energy storage
Outdoor & vehicle energy storage
Outdoor & vehicle energy storage
Partner factory QC lab
Partner factory QC lab
Partner factory QC lab
Partner factory QC lab
Small solar power systems
Small solar power systems
Small solar power systems
Wind energy storage systems
Wind energy storage systems
Wind energy storage systems
Wind energy storage systems
Wind energy storage systems

FAQ

What is your MOQ?
Line- and product-dependent - tell us your project size and we match the smallest viable tier-1 MOQ.
What is the lead time?
Standard lines 2-4 weeks, custom per confirmed spec; lead time is written into the PI and we own overruns.
What payment terms?
Standard export terms (T/T, L/C); deposit scales with order size - no "rush fees" ever.
How does the warranty work?
Warranty per manufacturer warranty terms; claims run our process and we follow through to closure.
Can I get a sample?
Yes - sample and freight at customary terms; sample cost deducts from the bulk PO.
Which Incoterms?
FOB / CIF / DAP all fine - your forwarder or ours, we match the paperwork.
What docs are included?
Packing list, commercial invoice, B/L, COO and cert copies - whatever customs asks, we provide.
How does after-sales respond?
WhatsApp 24/7, first reply under 1h; in-warranty issues never get bounced to a factory and dropped.
<1h First Reply WhatsApp inquiries answered within one hour.
24h Quotation Quote within one business day once specs are aligned.
24/7 WhatsApp Time zones are no excuse - we are online.

Inquiry Form

Drop your requirement, we reply within minutes

Email (copyable for your RFQ system): alex@liucheng.co WhatsApp (fastest response): +86 159 7433 1118
Free: Solar Procurement Risk Checklist + Factory Price Index - with your inquiry
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