A The primary cause is filter element clogging, which increases resistance; replacing with a genuine Jiali original air filter can restore air intake volume and reduce fuel consumption.

A Original factory product comes with a 12-month warranty (excluding wear parts). For non-human-induced damage or quality issues, we will provide a free replacement or equivalent replacement items to offset the cost.

A Each unit packed with EPE foam + individual carton, bulk pallet packing; wooden frame for heavy-duty filter to avoid damage during sea freight.

A 30% deposit for new clients, balance before shipment

A Spot products are shipped within 3–7 days after payment; orders exceeding 5,000 sets have a production cycle of 15–25 working days. For peak seasons, place orders 10 days in advance to secure delivery dates.

A EXW price from Lanxi factory, FOB Ningbo/Shanghai Port; unit prices are tiered downward based on order volume, with annual agreement prices available for long-term partners with OEMs.

A OEM private label available, print customer logo, part number, origin mark; neutral white box or customized color box complying with EU/Southeast Asia/Middle East labeling standard.

A Supports fully customized appearance, interface dimensions, and mounting brackets; existing mold modifications take 3–7 days, while new mold development takes 20–30 days; flexible minimum order quantities for small batches.

A The filtration efficiency of the finished product is ≥99.95%, with a factory pressure drop of ≤0.02 Bar; the composite structure combining pre-filter and main filter significantly extends the service life of the filter element while reducing engine intake losses and excessive fuel consumption.

A The housing is standardly constructed from Baosteel SECC or Wuhan Iron and Steel DC01/DC03 cold-rolled steel plates; the diameter can be customized. Filter media utilize imported filter paper from South Korea and the United States, with domestic high-end filter materials available as an option.