Contact Us

Use this contact page for OEM replacement filters, distributor orders, technical checks, sample requests, packaging discussions, and export delivery questions.

For pricing, include part numbers, target quantity, reference brand, destination country, and required delivery schedule so GUOHAO can confirm MOQ, stock, and production timing.

For technical review, send dimensions, equipment model, photos, drawings, or cross-reference numbers. These details help the team compare air, oil, fuel, hydraulic, and cabin filter options.

The sales and engineering team can respond with product availability, sample planning, packing suggestions, lead-time estimates, and supporting certification or test information when needed.

If files are large, describe them in the message first and the team will confirm the best way to exchange drawings, inspection videos, labels, and specification sheets.