ABOUT US
Company profile
JinanJiujin Steel is a leading Steel supplier in China, integrating sales, warehousing, deep processing, distribution and export to meet customers' Steel supply chain needs. The products cover copper pipe, copper plate, copper bar and so on. Can be customized according to customer requirements. In the steel chain products enjoy a high reputation, the products sell well in Turkey, Venezuela, Singapore, Chile, Poland, Brazil and other countries in the world, inventory of 10 million tons, commitment to the right time delivery, at a reasonable price to provide the right products. All products of our company have passed the comprehensive inspection and approval of relevant departments, including material inspection, dimension inspection, mechanical properties, defect inspection, etc. Under no circumstances should inferior products be sold.From pre-sales consulting, production, delivery to after-sales, we will be on site 24*7 days a week to quickly reply to you. Our multilingual team will save you money and time communicating. You are welcome to contact us online or visit our site.
INFORMATION
News
- Five points for attention in copper processing16530995981. Before starting the equipment each time, check whether the lubricating oil in the lubricating oil pump behind the lathe is sufficient, whether the air compressor is opened, whether the mechanical oil used in the cutting fluid is enough, etc. Check whether each handle is in place, and run slowly for five minutes, confirm everything is normal before operation.2. Chuck chuck to secure, when starting the wrench can not be left in the chuck or chuck...
- Application of copper in transportation industry1653099302Do you know the application of copper in transportation industry? So next, let's talk about the application of copper in the transportation industry. Marine copper alloys, including aluminum bronze, manganese bronze, aluminum brass, gun copper (tin zinc bronze), white copper and nickel copper alloy (Monel), are one of the standard materials for shipbuilding. Copper and copper alloys generally account for 2% ~ 3% of the dead weight of warships and...
- What are the applications of copper in architecture?1653099200Copper is one of the earliest metals discovered by human beings. As early as 3,000 years ago, human beings began to use copper. Copper in nature is divided into natural copper, copper oxide and copper sulfide. Natural copper and copper oxide reserves are small, now more than 80% of the copper is refined from copper sulfide, this ore copper content is very low, generally in 2- 3% or so.Copper, element symbol Cu, atomic weight 63.54, specific gravity...
COPPER
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Why choose us
We have rich experience in foreign trade and our customers are all over the world. If you are interested, we can give you free samples. All our products can accept professional quality inspection by third-party testing institutions. We pay attention to the accuracy of test results and the reliability of product quality.
The production line of the company is in good operation and the product inventory is sufficient. In addition to independent production, we also maintain cooperation with major steel mills to ensure that we will deliver the Hoff to you in the fastest time after you place an order. We provide pre-sale, sale and after-sales service, 24 hours exclusive customer service to protect your purchase rights and interests.
FIEID
Application
Motor manufacturing such as stator, rotor, shaft head and hollow wire, etc. Communication cables and residential electrical lines also need a lot of copper wire.
The main condenser tubeplate and condensing tube of energy industry thermal power plant are made of brass, bronze or white copper.
Electrical vacuum devices such as hf and UHF transmitting tubes require high purity anaerobic copper and dispersion strengthened anaerobic copper.
Transmission parts and fixed parts, such as cylinder liners, connectors, fasteners, gears, twisted parts, etc., need to be worn and lubricated with copper or copper alloy.