News

Jinan Zunkai embarks on a new journey in steel foreign trade, targeting the Iranian market, at Iran METAFO 2025.

2025-11-05

Jinan Zunkai Materials Co., Ltd. cordially invites you to attend IRAN METAFO 2025, the Iran International Metalworking and Metallurgical Industry Exhibition, to embark on a new journey in Middle Eastern steel trade and share new opportunities for industry development!

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304 Stainless Steel Coil vs 316 Stainless Steel Coil: Which is Right for You?

2025-11-04

In the world of stainless steel, selecting the right grade is crucial to ensuring the longevity and performance of your project. Two of the most popular choices are 304 stainless steel coil and 316 stainless steel coil. While both offer excellent corrosion resistance and durability, they have distinct differences that can impact your decision.

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What is duplex stainless steel?

2025-10-29

Duplex stainless steel is a type of stainless steel that contains both austenitic and ferritic microstructures. It combines high strength with excellent corrosion resistance and is an important upgrade from traditional stainless steel.

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316 Stainless Steel Pipe

2025-10-21

316 stainless steel pipe is an austenitic stainless steel with molybdenum (Mo) as the primary alloying element. The core chemical composition typically includes approximately 16-18% chromium (Cr), 10-14% nickel (Ni), and 2-3% molybdenum (Mo).

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Stainless Steel Grade Decoding

2025-10-10

You will definitely feel confused when facing numbers such as 304, 316, and 430. In fact, they are the "identity cards" of stainless steel. The stainless steel grade is the "concentrated code" of its material, performance and applicable scenarios.

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Happy Mid-Autumn Festival

2025-10-06

The Mid-Autumn Festival, also known as the Reunion Festival, is a traditional festival popular among many ethnic groups in China. It is held on the 15th day of the eighth month in the lunar calendar, which is today, September 6th. It is one of China's four major traditional festivals, along with the Spring Festival, Tomb-Sweeping Day and Dragon Boat Festival.

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Motherland's Birthday

2025-10-01

The National Day of the People's Republic of China, referred to as National Day or National Day in China, is a festival established to commemorate the founding of the People's Republic of China. The celebration date is set as October 1st every year.

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Celebrate in unison: National Day and Mid-Autumn Festival

2025-09-30

October 1st is China's National Day and October 6th is China's Mid-Autumn Festival. In order to celebrate these two holidays, we have a national holiday from October 1st to October 8th.

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Follow us: Jinan Zunkai always uphold the original intention, with the most sincere, enthusiastic attitude towards every customer. I look forward to the opportunity to achieve win-win with you in the future.

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News

Jinan Zunkai embarks on a new journey in steel foreign trade, targeting the Iranian market, at Iran METAFO 2025.

304 Stainless Steel Coil vs 316 Stainless Steel Coil: Which is Right for You?

What is duplex stainless steel?

316 Stainless Steel Pipe

Stainless Steel Grade Decoding

Happy Mid-Autumn Festival

Motherland's Birthday

Celebrate in unison: National Day and Mid-Autumn Festival