Dongbang brand grinding ball for mining, is special developed for various mining conditions. Our goal is to help all clients to save cost 20% on mineral processing where must use grinding balls.
Original: Jiangsu, China
Certification: ISO9001, ISO14001, OHSAS18001 etc.
Payment term: TT, LC
Delivery date: Negotiable
Packing: Ton bag or Iron drum
Market: Middle East/ Africa/Asia/South America/Europe/North America
Raw material: Alloy steel rod
Raw material supplier: Huai Steel
Our Raw material production process:
3.LF furnace refining
4.RH furnace refining
5.Continous casting(secondary electromagnetic mixing)
8.Rolling at a compression rate of more than 17 times
9.Slow cooling in pit
Avaiable Grinding Ball Size For Mining: From 1” to 5.5”
Production method: Screw rolling & forging
1.Steel rod heating
2.Hot rolling or forging
5.Cool to room temperature
7.Cooling & packing
8.Stock & ready for shipping
Grinding Ball For Mining quality parameters:
Sureface hardness: 58-65 HRC
Core hardness: 58-63 HRC
Volume hardness: 58-64 HRC
Ball drop test from 6.5 meters: More than 27000 times
Ball drop test result: No Break
Why choose us ?
1. We are the professional facrory of grinding balls in jiangsu province ,china .
2. Quality Control through the whole Manufacturing process.
3. General Inspection during bulk production, every 3-4 hours random test ball quality to ensure even quality.
4. Our hardware all passed ISO 9001.
5. High and even hardness support you to have a long use life, high impact toughness will promise you very close to zero ball breaking in ball mill.
6. Many ball sizes for you to choose and we can Accept minimum order. Your interests can be fully Guaranteed.
7. After you make order, we will Follow up the whole process and Update it to you. Collecting goods, Loading containers and Tracking goods transport information for you.
8. Any of our products you are interested, or any customized orders you wish to place, any items you want to buy, Please let us know your requirements. Our team will do our best to Help you .
1. Q:Are you a manufacturer, trading company or a third party?
A:We are a manufacturer, and we have builded up our company since 2000.
2. Q:Where is your factory located?
A:Our factory address is : No. 42 Hualu road, huashi town, Jiangyin City, Jiangsu Province, China.
3. Q:How can i get to your factory?
A:Our factory is near shanghai Airport, we can pick you up in the airport.
4. Q:If i will need to stay in your place for few days, is that possible to book the hotel for me?
A:It’s always my pleasure, hotel booking service is available.
5. Q:What is your minimum order quantity, can you send me samples?
A:Our minimum quantity is 100 tons each ball size, we can arrange to send you free sample within 5 kgs, if more than 5 kgs, we will request you to share a part of mailing cost with us, warmly welcome you to come visit our company.
6. Q:Which level of quality are your products?
A:We have got ISO, SGS, certificate so far.