Home Metallurgy, Mineral & Energy Refractory Material Wholesale Refractory alumina silicon 2025 Product List

Wholesale Refractory alumina silicon

products found from  trusted manufacturers & suppliers
View:

List View

Gallery View
Video 1/ 6

Favorites

Add Silicon Metal Powder to Alumina to Improve Thermal Shock Resistance Refractoriness

US$ 1.9-5 / kg
1 kg (MOQ)
Lianyungang Chemsize International Trading Co., Ltd.
Lianyungang Chemsize International Trading Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Jiangsu, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"Fast Dispatch"
Fast Dispatch
Contact Now

Add to inquiry basket to compare.
Long Time Materials
<1450
Powder
200 Mesh, 300mesh, 325mesh
Available
Available
Video 1/ 6

Favorites

Humao Gansu Black/Green Silicon for Steel Making

US$ 550-990 / Piece
1 Piece (MOQ)
Huamao (Gansu) New Material Technology Co., Ltd.
Huamao (Gansu) New Material Technology Co., Ltd.
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Gansu, China

  • Manufacturer/Factory

View larger video & image

View larger video & image

Contact Now

Add to inquiry basket to compare.
24 H
Black
Refractory, Metallurgy, Chemical, Ceramic, Casting
Gansu
High Hardness
Low Expansion Coefficient
Video 1/ 6

Favorites

Metallic Silicon Silicon Metal for Production of Aluminum Ingot

US$ 999-2999 / Ton
1 Ton (MOQ)
Lianyungang Chemsize International Trading Co., Ltd.
Lianyungang Chemsize International Trading Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Jiangsu, China

View larger video & image

View larger video & image

5(5.0)

"Fast Dispatch"
Fast Dispatch
Contact Now

Add to inquiry basket to compare.
Long Time Materials
1000-1450
Powder
200 Mesh, 300mesh, 325mesh
Refractory Material
Silicon Metal Powder
Video 1/ 6

Favorites

Straight Sic Silicone Carbide Heating Rods with Cold Zone and Hotzone

US$ 0.8-17 / Piece
10 Pieces (MOQ)
Shanghai Gongtao Ceramics Co., Ltd.
Shanghai Gongtao Ceramics Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shanghai, China

  • Manufacturer/Factory & Trading Company

View larger video & image

View larger video & image

Contact Now

Add to inquiry basket to compare.
Metal Ceramics
1580< Refractoriness< 1770
Tube
Insulation, High Temperature Resistance
Silver Grey
Well
Video 1/ 6

Favorites

Factory Provided Competitive Price Ferro Silicon Alloy for Steelmaking with High Quality

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"Fast Dispatch"
Fast Dispatch
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
Video 1/ 6

Favorites

Factory Provided Metal High Purity Alloy Ferro Silicon Lump High Carbon Silicon

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"On-time Delivery"
On-time Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
1/ 6

Favorites

China High Quality Hot Steel Making Material Alloy Ferro Silicon for Sale

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"On-time Delivery"
On-time Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
1/ 5

Favorites

Safe and Reliable FeSi Ferro Silicon Metal for Solar Energy and Aluminum Alloy

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"On-time Delivery"
On-time Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
Video 1/ 6

Favorites

Excellent Performance Metal High Purity Alloy Ferro Silicon Lump High Carbon Silicon

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"On-time Delivery"
On-time Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
Video 1/ 6

Favorites

High Precision Metal High Purity Alloy Ferro Silicon Lump High Carbon Silicon

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"Fast Delivery"
Fast Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
1/ 5

Favorites

Factory Manufactured FeSi Ferro Silicon Metal Abrasive for Solar Energy and Aluminum Alloy

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"Fast Delivery"
Fast Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
Video 1/ 6

Favorites

High Reliability Competitive Price Ferro Silicon Alloy for Steelmaking with High Quality

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"On-time Delivery"
On-time Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
Video 1/ 5

Favorites

Factory Provided FeSi Ferro Silicon Metal for Solar Energy and Aluminum Alloy

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"Fast Delivery"
Fast Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
1/ 6

Favorites

Durable Ferro Silicon Calcium Cored Wire Used as an Alloy for Steelmaking Metallurgy

US$ 1800-1900 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Shanxi, China

View larger video & image

View larger video & image

5(5.0)

"Fast Dispatch"
Fast Dispatch
Contact Now

Add to inquiry basket to compare.
Wire
Refractory Stone, Castable, Nozzle Material
OEM/ODM
Silicon Calcium Casi Wire
Highly Versatile
Ton Bag Packaging
1/ 6

Favorites

High Configuration Hot Steel Making Material Alloy Ferro Silicon for Sale

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"Fast Delivery"
Fast Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
Video 1/ 6

Favorites

High Efficiency Metal High Purity Alloy Ferro Silicon Lump High Carbon Silicon

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"Fast Delivery"
Fast Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
Video 1/ 5

Favorites

China Industrial Hot Sellling FeSi Ferro Silicon Metal for Solar Energy and Aluminum Alloy

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"Fast Delivery"
Fast Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
1/ 5

Favorites

China Good Quality FeSi Ferro Silicon Metal for Solar Energy and Aluminum Alloy

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"Fast Dispatch"
Fast Dispatch
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
Video 1/ 6

Favorites

Quality Assurance Competitive Price Ferro Silicon Alloy for Steelmaking with High Quality

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"On-time Delivery"
On-time Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
Video 1/ 6

Favorites

China Manufacturer Supply Competitive Price Ferro Silicon Alloy for Steelmaking with High Quality

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"On-time Delivery"
On-time Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
1/ 6

Favorites

The Factory Supply Desulfuration Ferro Manganese Silicon Magnesium

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"Fast Dispatch"
Fast Dispatch
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
Video 1/ 6

Favorites

Factory Provided High Accuracy Competitive Price Ferro Silicon Alloy for Steelmaking with High Quality

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"Fast Dispatch"
Fast Dispatch
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
Video 1/ 6

Favorites

China Safe and Reliable Top Quality Ferro Silicon Manganese Ferro Alloy

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"On-time Delivery"
On-time Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
Video 1/ 6

Favorites

High Reputation Metal High Purity Alloy Ferro Silicon Lump High Carbon Silicon

US$ 1300-1500 / Ton
20 Tons (MOQ)
HAOYU TRADE LIMITED
HAOYU TRADE LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

5(5.0)

"Fast Delivery"
Fast Delivery
Contact Now

Add to inquiry basket to compare.
Natural Corundum
Corundum Abrasives
Machinery
Natural Abrasives
Powder
Conventional Abrasive
Video 1/ 6

Favorites

Superior Ceramizing Silicone for Enhanced Fire Risk Management

US$ 100 / Square Meter
10000 Square Meters (MOQ)
Hangzhou Dachuang Kehua New Material Co., Ltd.
Hangzhou Dachuang Kehua New Material Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, Others
View larger video & image

View larger video & image

Contact Now

Add to inquiry basket to compare.
Organic Silicone
Household, Medical, Industrial, Agricultural
ISO, REACH, RoHS
Carton + Pallet
customized
Shanghai, China
Video 1/ 6

Favorites

Customized Eco-Friendly Silicone Rubber Accessories Used for Atomiser

US$ 0.03-0.05 / Piece
10000 Pieces (MOQ)
LIANYUNGANG BAIBO NEW MATERIAL CO., LTD.
LIANYUNGANG BAIBO NEW MATERIAL CO., LTD.
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Jiangsu, China

  • Manufacturer/Factory & Trading Company

View larger video & image

View larger video & image

Contact Now

Add to inquiry basket to compare.
Electronics
99%
Ceramic Parts
Customized Eco-Friendly Silicone Rubber Accessorie
White,Black
Eco-Friendly
Video 1/ 6

Favorites

Advanced Ceramizing Composite for Ultra-High Temp Protection

US$ 100 / Square Meter
10000 Square Meters (MOQ)
Hangzhou Dachuang Kehua New Material Co., Ltd.
Hangzhou Dachuang Kehua New Material Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, Others
View larger video & image

View larger video & image

Contact Now

Add to inquiry basket to compare.
Organic Silicone
Household, Medical, Industrial, Agricultural
ISO, REACH, RoHS
Carton + Pallet
customized
Shanghai, China
Video 1/ 6

Favorites

Non-Brittle DC600 Boards: Molten Aluminum-Resistant Structural Material

US$ 100 / Square Meter
10000 Square Meters (MOQ)
Hangzhou Dachuang Kehua New Material Co., Ltd.
Hangzhou Dachuang Kehua New Material Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, Others
View larger video & image

View larger video & image

Contact Now

Add to inquiry basket to compare.
Organic Silicone
Household, Medical, Industrial, Agricultural
ISO, REACH, RoHS
Carton + Pallet
customized
Shanghai, China
Video 1/ 6

Favorites

DC600 Boards: Ultra-Strong Ceramic Fiber Alumina Panels

US$ 100 / Square Meter
10000 Square Meters (MOQ)
Hangzhou Dachuang Kehua New Material Co., Ltd.
Hangzhou Dachuang Kehua New Material Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, Others
Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

View larger video & image

Contact Now

Add to inquiry basket to compare.
Organic Silicone
Household, Medical, Industrial, Agricultural
ISO, REACH, RoHS
Carton + Pallet
customized
Shanghai, China
Video 1/ 6

Favorites

High-Performance DC600 Alumina Boards for Extreme Heat Resistance

US$ 100 / Square Meter
10000 Square Meters (MOQ)
Hangzhou Dachuang Kehua New Material Co., Ltd.
Hangzhou Dachuang Kehua New Material Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, Others
View larger video & image

View larger video & image

Contact Now

Add to inquiry basket to compare.
Organic Silicone
Household, Medical, Industrial, Agricultural
ISO, REACH, RoHS
Carton + Pallet
customized
Shanghai, China
1 2 3 4 5 6 7 8 9 Next
Questions & Answers on Wholesale Refractory alumina silicon
Q
How can I verify the reliability of a supplier when sourcing refractory material from China?
A
The Wholesale Refractory alumina silicon is a premium choice in the Refractory Material category.To ensure supplier reliability, request product samples, visit manufacturing facilities, and check industry certifications. It is essential to conduct due diligence by assessing product quality, consistency, and the supplier's background. Building a trusted relationship with a reputable manufacturer is vital for procurement success.
Q
What advantages does buying refractory material wholesale offer for metallurgy businesses?
A
The Wholesale Refractory alumina silicon is a top choice in our Refractory Material collection.Purchasing refractory material wholesale provides cost savings, access to bulk quantities, and priority pricing for regular orders. Wholesale clients also benefit from customization options and dedicated support, ensuring smooth supply chain management and consistent material quality.
Q
What types of refractory materials are commonly used in metallurgical applications?
A
Discover the perfect addition to your Refractory Material with our Wholesale Refractory alumina silicon.Refractory materials commonly used in metallurgical applications include bricks, castables, and specialty ceramics, each with unique properties suited for different types of furnaces and smelting processes. A well-known manufacturer can offer tailored solutions to meet diverse needs efficiently.

You may also be interested in

Wholesale Silicon Technology Wholesale 2 Part Silicon Wholesale Custom Silicon Part Wholesale High Quality Silicon Wholesale Chemical Silicon Wholesale Power Silicon Wholesale Silicon Pack Wholesale Silicon Accessory Wholesale Industry Silicon Wholesale Black Silicon Wholesale Silicon Logo Wholesale Silicon Aluminium Wholesale Silicon Aluminum Wholesale Silicon Mould Mold Wholesale Silicon Light Wholesale Non Silicon
Haven't found what you want?

Easy Sourcing

Post sourcing requests and get quotations quickly.

Product Alert

Stay updated to what's new and popular on the market.
Category
Product Features
Product Types
Min Order
OK
Search Within
Natural Abrasive Type
Artificial Abrasive Type
Application
Function
Source
Particle Size
Hardness
Company Features
Member Type
Business Type
R&D Capacity
City

Related Product Categories

Popular Searches

Free App: App Store Google Play
Follow Us:
Contact Us:
TradeMessenger:
About Us FAQ Help Site Map Mobile Site
Hot Products China Products China Manufacturers/Suppliers Wholesale Products Wholesale Price Continent Channel Industry Sites Regional Channels Product Index Insights
Language Options: Español Português Français Русский язык Italiano Deutsch Nederlands العربية 한국어 日本語 हिन्दी ภาษาไทย Türkçe Tiếng Việt Bahasa Indonesia
User Agreement Declaration Privacy Policy
Copyright © 1998-2025 Focus Technology Co., Ltd. All Rights Reserved.