Frequently Asked Questions

For standard items we accept trial orders — typical MOQ is 100–500 pcs depending on the model. Send your required quantity and we will confirm the best price and delivery schedule.

Yes. We provide free samples (usually 1–2 pcs) for evaluation. Buyers cover the courier cost, and the sample charge can be refunded against your first bulk order.

Samples are usually ready in 3–7 working days. For bulk orders, standard items take 7–15 days after payment; custom cable lengths or OEM packing may take 15–25 days. Every schedule is confirmed in the Proforma Invoice.

T/T 30% deposit and 70% before shipment; L/C at sight for larger orders. We quote EXW, FOB Guangzhou/Shenzhen or CIF — tell us your preferred term when requesting the quotation.

Yes. Our 1500V MC4 connector is covered by TÜV Rheinland certificate No. R 50373614 (IEC 62852:2014). H1Z2Z2-K cable is TÜV approved and PV1-F 1169 cable is UL approved. Certificate scans are available on request.

Yes. RoHS and REACH declarations, CE declarations of conformity and material certificates can be supplied with your order for European projects.

Yes. We support OEM with your logo, customized colors, cable lengths, labels and retail packing. Send us your drawings or samples and we will confirm feasibility and cost.

Standard export packing: inner plastic bag + carton, then pallet or wooden case for large quantities. Custom retail packing and brand labels are available on request.

Yes. We assemble MC4 connectors to H1Z2Z2-K / PV1-F cables in your required lengths, with testing and labeling before shipment.

Our PV connectors and cables are designed for 25-year service life. We provide a 2-year warranty against manufacturing defects; verified quality issues are replaced free of charge.

We ship worldwide by express (DHL/FedEx/UPS), air and sea. We handle export documents including commercial invoice, packing list, certificate of origin and, when required, TÜV/UL/CE documents.

Yes. Tell us your system voltage, cable cross-section, string configuration and environment, and our engineers will recommend the right connector, cable and protection combination.

Yes — datasheets are available in our Downloads center. Test reports, material certificates and certificate scans can be provided with your quotation or order.

Send your product list, quantities and destination port to info@zhiyiguan.com or WhatsApp +86 000 0000 0000. We reply within 12 working hours with price, lead time and shipping options.