sefu faq
SEFU Foundry Materials

General Questions

Are you a factory? How much is the monthly production?

We are a foundry filter manufacturer specializing in ceramic foam filters. We have over 15 years of experience in producing ceramic foam filters. There are many production lines in our factory, with a monthly output of 10 million pieces to fully meet your supply needs.

How many people does your company have?

We have been manufacturing cast filters for over 15 years. We are professional manufacturer. Now we have 120 employees, including experienced experts, production team, inspection team, logistics team and service team.

Can I visit your factory?

Our factory is located in Cangzhou City, Hebei Province, China, we very much welcome you to visit our factory.

What are your company's strengths?

Our company has always put quality first. Stable quality, punctual delivery and good service are the best aspects we can offer you. As long as you give us the opportunity to cooperate, try our products and experience our services, you will be satisfied.

What services can you provide me?

We are a factory, and we have more advantages in delivery. We have been exporting filters for more than 15 years with rich export experience and technical support. Cooperate with us, you will be assured that there is no worries. You can purchase a pallet first, try our products, experience the quality of the products, and feel our services.

Sales Questions

Do you have any certifications?

We passed ISO9001: 2015 quality system certification. The whole production process is under the control of the ISO9001 quality system. You can rest assured to use our products.

Why are your prices so high? Can you still get a discount?

In order to ensure quality and stability, we use high-quality raw materials. The carrier is imported from Germany and Belgium, which is 20% more expensive than other sponges. However, the pore size of the product can maintain stability and uniformity, and the through porosity of the filter is guaranteed.
We select the best quality SIC powder in China, use high-precision cutting machines and fully automated production lines to ensure dimensional tolerances and quality consistency. We want to reach a cooperation with you as soon as possible, and choosing us will make you feel at ease and worry-free when selling filters.

Can you offer free samples?

We are happy to provide samples for you to try. Usually the free samples provided are under 20 pieces, and the shipping cost is your responsibility. If the sample exceeds 20 pieces, you will also need to pay the sample fee.

After Purchase Questions

Which port do you ship from?

Our factory is located in Cangzhou, Hebei, China, very close to Tianjin Port, only 150KM. So usually we ship from Tianjin Port, ship today, and deliver to port the next day. Sometimes we also ship from Shanghai port and Qingdao port. This can depend on your needs.

How long is your production?

The production cycle will depend on the order quantity and the current production situation. Usually the order production cycle is 15 days.

Can the packaging method follow our requirements?

Our company’s carton size is fixed. This is reasonably designed according to the size of the container to ensure the maximum number of full containers. The packaging quantity per carton is also fixed. Marks can be affixed to the outside of the box according to your request. If you have special requirements that are feasible, we can also customize for you.

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