Industrial Filter Manufacturer FAQ
Q : Is LSX Filter a manufacturer or a trading company?
LSX Filter is an industrial filter manufacturer based in Gu’an, Langfang, Hebei, China. We focus on filter element processing, production, replacement filter supply, and custom filter development for industrial and aftermarket applications.
Q : Where is LSX Filter located?
LSX Filter is located in Lincheng Industrial Park, Niutuo Hot Spring Park, Gu’an County, Langfang City, Hebei Province, China. This area has a strong industrial base in filter manufacturing and is close to major logistics routes in North China.
Q : How long has LSX Filter been in the filtration industry?
LSX Filter has more than 30 years of industry experience in filter element production and related filtration products. The current company was established in 2019 and continues to operate as a family-run filter manufacturing business, with ongoing development across production, sales, exports, technical support, and custom filter solutions.
Q : What type of customers does LSX Filter mainly serve?
We mainly serve importers, wholesalers, distributors, aftermarket parts buyers, equipment maintenance companies, OEM customers, and industrial parts procurement teams. Most of our customers need a stable replacement filter supply, model matching, custom development, or long-term wholesale cooperation.
Q : What makes LSX Filter different from a trading company?
LSX Filter works directly from the factory side. We can review OEM numbers, cross-reference numbers, drawings, samples, dimensions, and equipment information before production. This helps buyers reduce communication gaps, confirm specifications more clearly, and develop suitable replacement or custom filter solutions.
Q : What products does LSX Filter manufacture?
LSX Filter manufactures and supplies hydraulic filters, hydraulic oil filters, air filters, fuel filters, oil filters, oil-water separators, air-oil separators, dust collector filters, replacement filters, and custom filter elements.
Q : What industries are LSX Filter products used in?
Our filters are used in construction machinery, agricultural machinery, trucks and commercial vehicles, industrial hydraulic systems, air compressors, generators, mining equipment, dust collection systems, and heavy equipment maintenance markets.
Q : Do you supply filters for heavy equipment and industrial machinery?
Yes. We supply filters for construction equipment, mining machines, hydraulic systems, compressors, commercial vehicles, generators, and other industrial equipment.
Q : Do you produce both standard and non-standard filters?
Yes. We can produce standard replacement filters as well as non-standard filters based on samples, drawings, dimensions, OEM numbers, or specific application requirements.
Q : Can LSX Filter supply filters for aftermarket replacement markets?
Yes. Aftermarket replacement filters are one of our key supply directions. We support OEM number matching, cross-reference development, and sample-based replacement filter production.
Q : Can you produce replacement filters for well-known brands?
Yes. LSX Filter can produce replacement filters based on OEM numbers, cross-reference numbers, samples, drawings, or customer-provided specifications.
Q : Can you develop a filter from an OEM part number?
Yes. Customers can send OEM numbers, replacement numbers, cross-reference numbers, or equipment models. Our team will help check whether a suitable replacement filter can be matched or developed.
Q : Can you help confirm filter compatibility?
Yes. We can assist customers in confirming filter dimensions, structure, thread size, sealing method, filter media, micron rating, and application environment before production.
Q : What information should I provide for cross-reference filter development?
Useful information includes OEM number, cross-reference number, filter photos, sample filter, technical drawing, overall length, outer diameter, inner diameter, thread size, gasket size, equipment model, and application environment.
Q : Can you develop filters from old samples?
Yes. We can review old samples, measure key dimensions, check structure and sealing details, and develop replacement filters based on the sample.
Q : Does LSX Filter support OEM and ODM filter manufacturing?
Yes. LSX Filter supports OEM and ODM filter manufacturing, including customer brand labeling, neutral packaging, custom packaging, filter structure adjustment, and customized specifications.
Q : What filter parts can be customized?
We can customize filter dimensions, structure, filter media, micron rating, end cap design, inner and outer mesh, sealing materials, pressure resistance, filtration efficiency, adhesive method, labels, logo printing, packaging, carton marks, barcodes, and appearance details when applicable.
Q : Can you customize filters based on drawings?
Yes. Customers can provide drawings, dimensions, technical parameters, or samples. We will review the filter structure and confirm whether production is feasible.
Q : Can you customize filters based on samples?
Yes. Sample-based development is supported. We can check the sample dimensions, media, end cap structure, sealing method, and installation details before preparing a sample or bulk order.
Q : Can you make filters with different filter media?
Yes. We can support different filter media depending on the application, including glass fiber media, synthetic media, cellulose media, stainless steel mesh, and other suitable materials.
Q : Can you customize micron rating?
Yes. Micron rating can be customised based on the hydraulic system, oil type, air flow, fuel system, dust collection environment, or equipment requirement.
Q : Can you help optimize an existing filter?
Yes. If customers have an existing filter that needs improvement, we can review the structure, media, sealing method, and material selection to discuss possible optimization.
Q : How long does it take to develop a new filter model?
For many new filter models, development may take around 10 days depending on the filter structure, sample availability, material requirements, and confirmation process.
Q : What is the MOQ for LSX Filter products?
Our MOQ starts from 20 pcs, depending on the product type, model, customisation requirements, and packaging needs.
Q : Do you support sample orders?
Yes. We support sample orders for available models and custom samples when feasible.
Q : Are samples free?
Samples are usually charged. Sample fees and shipping costs depend on the filter model, customisation requirements, and delivery destination.
Q : Who pays the sample shipping cost?
The sample shipping cost is usually paid by the buyer.
Q : How long does it take to prepare samples?
For many standard or available models, sample preparation usually takes around one week. Custom samples may take longer depending on the structure and material requirements.
Q : Do you support small trial orders for new customers?
Yes. New customers can start with small trial orders before moving to regular or bulk cooperation.
Q : Can I order a small quantity first before placing a bulk order?
Yes. Trial orders are supported, especially for new customers who want to check product fit, quality, packaging, and delivery before larger purchases.
Q : Does LSX Filter inspect raw materials?
Yes. We inspect incoming materials such as filter media, metal mesh, end caps, sealing parts, adhesive materials, and packaging materials.
Q : What do you check during production?
During production, we check key processes such as pleating quality, assembly accuracy, sealing condition, bonding quality, size consistency, and production batch information.
Q : Do you inspect finished filters before shipment?
Yes. Finished filters are inspected before shipment. We check appearance, dimensions, product quantity, labels, packaging, carton information, and shipment details.
Q : Is finished product inspection full inspection or random inspection?
Finished products and pre-shipment checks are generally handled with full inspection according to the current factory process.
Q : Do you keep production records?
Yes. We keep production records and support batch traceability, including production date, material source, and inspection information when required.
Q : Can LSX Filter trace quality issues after delivery?
Yes. If a quality issue occurs, we can trace the related batch, check production records, review inspection details, and work with the customer on a suitable solution.
Q : Does LSX Filter have testing equipment?
Currently, we mainly use basic dimension inspection tools and production inspection processes. For special testing requirements, customers should confirm the needed test items before ordering.
Q : Do you support neutral packaging?
Yes. Neutral packaging is available for customers who do not need branded packaging.
Q : Can you provide private label packaging?
Yes. We support private label packaging, including custom labels, brand stickers, carton marks, barcode labels, and packaging information according to the order requirements.
Q : Can you customize the outer carton?
Yes. We support private label packaging, including custom labels, brand stickers, carton marks, barcode labels, and packaging information according to the order requirements.
Q : Can you provide packaging for wholesale and distributor orders?
Yes. We can provide packaging solutions suitable for wholesale, distributor, aftermarket parts, and export shipments.
Q : Can you add customer logo or brand information to the product?
Yes. Depending on the filter type and packaging method, we can support customer logo, product labels, brand stickers, or other private label details.
Q : What is your primary payment method for international orders?
T/T bank transfer is our primary payment method for international projects.
Q : What are your standard payment terms?
Our standard payment terms are:
30% deposit to start production after order and PI confirmation.
70% balance before shipment after finished goods and inspection are confirmed.
Q : Do you support digital payment platforms?
Yes. For small to medium orders, we can also support digital payment platforms, including:
PingPong Pay
XTransfer
PayPal
Western Union
Q : Do you support RMB payments?
Yes. For Chinese mainland and RMB settlements, we support RMB payments through corporate or personal bank transfers, depending on the order type.
Q : Can customers pay by WeChat Pay or Alipay?
Yes. WeChat Pay and Alipay are available for samples, small payments, design fees, and sample charges.
Q : When are RMB payments suitable?
RMB payments are suitable for domestic partners, sample testing, small orders, or projects handled through local offices in China.
Q : What shipping methods does LSX Filter support?
We support express delivery, air freight, sea freight, FOB, CIF, DDP delivery, truck delivery, rail delivery, and sea-air combined shipping depending on order size, destination, and delivery requirements.
Q : What is DAP Express shipping?
DAP Express usually takes around 7–9 days and is recommended for samples and urgent small orders. It is a shipping service only, so customs clearance and duties are not included.
Q : What is DDP Air shipping?
DDP Air usually takes around 12–15 days after flight departure. It includes customs clearance and duties, and the goods are delivered directly to the customer’s address.
Q : When should I choose DDP Air shipping?
DDP Air is suitable for time-sensitive goods, high-value goods, and medium-sized orders that need faster delivery with customs clearance included.
Q : What is DDP Sea shipping?
DDP Sea usually takes around 28–35 days. It includes customs clearance and duties, and can deliver goods to your warehouse or designated address.
Q : When is DDP Sea shipping recommended?
DDP Sea is recommended for large-volume and heavy shipments when customers need better cost efficiency.
Q : Do you support FOB and CIF?
Yes. FOB and CIF are available for customers who have their own freight forwarders or prefer to control the shipment process.
Q : Do you support DDP truck delivery?
Yes. DDP truck delivery is available for nearby countries and many European destinations.
Q : Do you support China-Europe rail delivery?
Yes. DDP rail delivery is available for China-Europe routes and can be a balanced option between speed and cost.
Q : Do you support sea-air combined shipping?
Yes. Sea-air combined shipping is available when customers need better cost control but faster delivery than standard sea freight.
Q : Can you provide export documents?
Yes. We can provide commercial invoices, packing lists, and other standard export documents required for international shipments.
Q : Can you help with customs clearance documents?
Yes. We can cooperate with customers to provide the necessary documents for customs clearance based on the shipping method and destination country.
Q : Do you support international trade terms?
Yes. We are familiar with common trade terms such as FOB, CIF, EXW, and DDP shipping solutions.
Q : Can you ship samples by express?
Yes. Samples can usually be shipped by express delivery, especially for urgent model confirmation or trial orders.
Q : What happens if there is a quality problem?
If a quality issue occurs, LSX Filter will review the batch information, inspection records, photos, videos, or customer feedback, then discuss a suitable solution with the customer.
Q : Do you support replacement or remake if there is a confirmed issue?
Yes. If the issue is confirmed, we can discuss solutions such as replacement, remake, replenishment, or other reasonable after-sales arrangements.
Q : Do you provide long-term support for regular customers?
Yes. LSX Filter supports long-term cooperation with importers, wholesalers, distributors, and regular replacement filter buyers.
Q : Can you help customers reorder the same filter model?
Yes. We can keep order and product information to support repeat orders and a stable long-term supply.
Q : Can you support urgent replenishment orders?
Yes. For regular products and long-term customers, we can help arrange urgent replenishment when production capacity and material availability allow.