Contact

We reply within 24 hours. For urgent requests — agent email or Telegram.

Working hours

Mon–Fri 9:00–18:00 (GMT+8) · agent email — 24/7

Beijing, China — TOU Energy (Beijing Longji Technology Co., Ltd.)

Are the parts original?

Always stated separately in the quote: "original" (factory channel, pricier) or "alternative" (compatible, cheaper). Batch video before dispatch.

Are you a manufacturer?

No — supplier and distributor. We work with factory channels of Huawei, Sungrow, Sineng, Growatt. That lets us offer a choice.

How to pay for the first batch?

100% prepayment or 30/70. After 2–3 deals — individual terms.

Urgent replacement of a failed part?

Write to the agent email (mark "URGENT") — reply within minutes, air 5–8 days.