High-quality products tailored for wholesalers and distributors worldwide.
China Loong Air Filter Co., Ltd. supplies air filtration products and related accessories to international B2B customers. Our product range includes HVAC, HEPA, activated carbon, bag, panel, pleated, cartridge, cleanroom, industrial, cabin, truck, washable, and replacement air filters, as well as air filter media, nylon cable ties, stainless steel cable ties, and wiring accessories. The following guide explains our standard ordering process. Specific commercial terms are confirmed according to the product requirements, order quantity, destination, and other order details.
Please send us your inquiry with as much technical and commercial information as possible. Detailed requirements help us identify a suitable product and prepare an accurate quotation.
If you are unsure which specification is suitable, our team can review the available information and discuss practical options with you. Product selection remains subject to confirmation based on the actual application and operating conditions.
China Loong Air Filter Co., Ltd. can discuss OEM and custom manufacturing requirements for filters, filter media, and related accessories. Customization may include dimensions, filtration media, frame or housing materials, construction, color, labels, branding, and packaging.
For custom or replacement filters, we may request technical drawings, specification sheets, equipment references, photographs, or physical samples. Any sample cost, tooling requirement, development charge, and sample delivery arrangement will be communicated before work begins.
Our quotation is prepared according to the confirmed specification, quantity, materials, customization scope, packing method, and delivery terms. Unless otherwise stated, a quotation does not constitute final order acceptance. Prices and availability may need to be reviewed if specifications, quantities, material costs, exchange conditions, or delivery requirements change.
Before production, both parties should confirm the main order details in writing. These details may be recorded in a quotation, pro forma invoice, purchase order, specification sheet, drawing, artwork file, sample approval, or other agreed document.
Please review all documents carefully before approval. Production will follow the mutually confirmed order information. Changes requested after approval may affect cost, material use, production progress, and delivery arrangements and must be confirmed separately.
Available payment methods, currency, payment stages, bank charges, and payment timing are agreed according to the order value, product type, customization requirements, and transaction circumstances. The applicable terms will be stated in the quotation, pro forma invoice, sales contract, or other confirmed order document.
Customers should verify that the beneficiary information matches the official payment instructions issued by China Loong Air Filter Co., Ltd. If you receive a request to change bank details, please confirm it with our authorized contact through a previously established communication channel before making payment. Production scheduling and shipment release are subject to receipt of the required payment and completion of the agreed order conditions.
Production is arranged after the order details and required payment conditions have been confirmed. The estimated schedule depends on the product design, materials, order quantity, customization, packaging, and current production conditions. Any estimated completion or shipment date is subject to final confirmation.
For custom products, we may submit drawings, specifications, artwork, pre-production samples, or reference photographs for approval when appropriate. Customers are responsible for checking dimensions, wording, logos, colors, and other custom details before approval.
Quality checks are performed according to the confirmed product specifications and applicable inspection arrangements. Depending on the order, communication may include production updates, product photographs, packing photographs, or inspection information. If third-party inspection is required, the scope, timing, access, and related costs should be agreed before production or within a practical inspection period.
Products are packed according to their characteristics, order quantity, selected transport method, and confirmed customer requirements. Standard or customized packing may be discussed for air filters, filter media, cable ties, and wiring accessories. Special cartons, labels, pallets, protective packaging, retail-ready packing, or other requirements may affect the quotation and shipment dimensions.
Shipment can be arranged by courier, air freight, sea freight, rail, road, or another agreed method, depending on the shipment size, destination, urgency, and import requirements. Freight charges, insurance, customs clearance, duties, taxes, destination fees, and local delivery responsibilities depend on the confirmed trade and shipping terms.
Customers should provide complete and accurate consignee details, contact information, delivery address, and any necessary shipping instructions. After dispatch, available shipping documents and tracking or transport information will be provided as applicable. Transit times are estimates from the carrier or logistics provider and may be affected by customs procedures, transportation conditions, holidays, weather, or other circumstances outside the manufacturer’s direct control.
Please inspect the shipment promptly after delivery. Check the carton or pallet condition, package count, product quantity, model, dimensions, and visible product condition against the confirmed order and shipping documents.
If the packaging appears damaged or the quantity is incomplete, note the issue on the carrier’s delivery record where possible. Keep the original packaging and provide clear photographs or videos of the outer packaging, shipping label, internal packing, affected products, and relevant product labels. This information helps us review the matter with the customer and, when applicable, the logistics provider.
If you identify a product or order issue, contact China Loong Air Filter Co., Ltd. promptly and provide the purchase order or invoice number, product model, quantity affected, detailed description, and supporting photographs or videos. For performance-related concerns, please also provide information about installation, equipment, operating conditions, airflow, maintenance, and the actual application.
We will review the issue against the confirmed specifications, approved samples or drawings, inspection information, and available evidence. Any proposed resolution will depend on the cause and circumstances of the case and may include technical guidance, replacement discussion, replenishment, or another mutually agreed solution. Products should be stored, installed, operated, and maintained appropriately for their intended application.
For repeat orders, please provide the previous order reference and confirm whether any specifications, quantities, labels, packaging, or delivery requirements have changed. Materials, prices, production schedules, and shipping costs may be reviewed for each new order. Maintaining clear product codes, approved drawings, and revision records helps improve consistency and communication for ongoing supply.
All specifications, price terms, custom requirements, order changes, and shipping instructions should be confirmed through authorized written communication. If a purchase order contains terms that differ from our quotation or pro forma invoice, the differences must be reviewed and accepted in writing before they apply.
By approving the order documents and making the required payment, the customer confirms acceptance of the agreed product specifications and commercial terms for that order. Where a separate signed sales contract exists, the provisions of that contract will take precedence for the relevant transaction.
China Loong Air Filter Co., Ltd. manufactures and supplies air filters, filter media, cable ties, and wiring accessories, with OEM, ODM, and customization services for commercial, industrial, automotive, and ventilation applications.