Product Ordering FAQ

Yes. Samples are available for most standard products, including gauge glass, sight glass, glass tubes, oil level indicators, level vials, gaskets and related components. Sample availability, cost and preparation time will be confirmed according to the product and quantity required.

Some existing standard samples may be supplied free of charge, while customized, processed or higher-value samples may require payment. Courier costs are normally paid by the buyer. We will confirm all charges before arranging the sample.

The approved sample, confirmed drawing or agreed specification can be used as the production reference. Before production, we recommend confirming the material, dimensions, tolerances, surface treatment, marking and packaging requirements in writing.

Please provide the product name, drawing or dimensions, material, quantity, application and delivery destination. For replacement parts, clear photographs, existing model numbers or an original sample can also help us identify the product.

In many cases, yes. Please send clear photographs from several angles together with the main dimensions and application information. However, photographs alone may not show exact tolerances or materials, so a drawing or physical sample may still be required before production.

MOQ depends on the product, size, material and manufacturing process. Standard items may be available in small quantities, while customized products normally require a production MOQ. Please send us your required quantity for confirmation.

Yes. Different Kunyo product categories can usually be combined into one order or shipment, including gauge glass, glass tubes, sight glass discs, oil level indicators, level vials, gaskets and accessories. Packing and freight will be arranged according to the complete order.

Yes. We can manufacture custom sizes, shapes and configurations for many of our glass, level-indicator, level-vial and gasket products. Production feasibility, tooling requirements, MOQ and lead time depend on the design.

Please provide a technical drawing showing dimensions, tolerances, material, quantity and any holes, grooves, threads, printing or surface requirements. Information about the intended application is also helpful when reviewing manufacturing feasibility.

Yes, depending on the product. A physical sample may be used for dimensional review and product matching. However, critical materials, tolerances and operating requirements should still be confirmed by the buyer before production.

For products requiring dimensional confirmation, we can prepare or review a drawing before production. Manufacturing begins after the relevant specifications, drawing and commercial terms have been approved.

Logo printing, product marking, labels and customized packaging are available for selected products. Please provide the logo file, marking position, color, packaging requirements and expected quantity for evaluation.

Lead time depends on product availability, order quantity and customization requirements. Standard products may be prepared sooner, while custom products may require sample approval, tooling or additional processing. The estimated dispatch date will be confirmed before the order is finalized.

Production lead time normally begins after the order details, drawing or sample, payment and packaging requirements have been confirmed. Changes made after confirmation may affect the delivery schedule.

Inspection is carried out according to the confirmed product requirements and may include checks of dimensions, appearance, quantity, marking and packaging. Product-specific inspection items can be agreed before production when necessary.

Yes. Photos or videos of the finished products and packaging can be provided upon request before shipment. For detailed inspection records or special documentation, please state the requirement when requesting the quotation.

Glass products are separated and protected to reduce contact, movement and impact during transportation. Depending on the product and shipment method, protective materials, cartons, reinforced boxes or wooden cases may be used.

Yes. We supply customers in international markets and can arrange courier, air freight, sea freight or delivery to the buyer’s nominated freight forwarder in China. The suitable method depends on the shipment size, destination and delivery schedule.

Please keep the products and packaging and contact us as soon as possible. Send the order number, affected quantity, clear photos or videos, package condition and carton labels. We will review the information and discuss an appropriate solution based on the verified issue.

Please provide the previous invoice number, product code, drawing number or approved sample reference. If any materials, dimensions, markings or packaging have changed, confirm the revised requirements before production.