Category: blog

If customers don’t buy your product, it means they don’t trust you. Trust is the foundation of business. Old customer’s question: When punching 0.7mm301 stainless steel hard material with a hardness of 480HV, using M4, LD, DC53, ASP23 punch heads, it is easy to crack. We have tried various hardness tests, but they all crack…

On the evening of Thursday, March 5th, 2026, I did a one hour live broadcast, which was my 289th live broadcast. The exposure of this live broadcast room was 7645 people, with 1202 viewers and an average viewing time of 0.90 minutes per person. The average number of online viewers was 18, with the highest…

I don’t do price comparison business, and I hate people who ask how much money it is. Often these people cannot afford to buy, but the old man’s posture is very upright. These people ask for prices, and I quote high prices just to scare them to death and make them go to other places.…

In the 288th live broadcast, a loyal customer commented that the small LG they took last time was tested and found to be usable without sticking copper powder. If it doesn’t crack, the problem will be solved. It’s not convenient to talk about the working conditions here. The most important sentence of this reply is…

Old customer, just ordered 6 large 8566 II generations. Approaching noon, we have a big order and can have a great meal at noon.

Focusing not only saves a small business, but also a steel mill. A few years ago, a steel mill, which was still a listed company, had a poor business situation and its stock almost fell to the point of delisting. However, in recent years, it has come back to life. The reason for coming back…

During the Spring Festival, not only did I interrupt the promotion, but I also interrupted the live broadcast. Since the 287th live broadcast on February 9th, I have been suspended for another 23 days. After the New Year, the Yuanxiao (Filled round balls made of glutinous rice-flour for Lantern Festival) has passed, and there is…

A netizen left a message below the video asking, what material is good for 2.0 copper stretching? There will be no subtle vertical lines on the appearance. Vertical lines on the appearance of stretched parts are usually caused by adhesive wear of the adhesive material, which is generally due to the presence of microscopic cracks…

Mr. Chen’s plastic mold core is a thin sheet, which is 6mm high but only 6mm thick. Now using 718H mold steel, it is easy to deform. It deforms after making thousands of pieces, and the parts are scrapped too quickly. What mold steel should be used to solve this problem? A component, which is…

I rarely recommend M390 powder stainless steel due to its high cost, but it is still necessary to use it for some mold conditions. M390 has a carbon C content of 1.9%, chromium Cr content of 20%, vanadium V content of 4.0%, and a hardness of 60-61HRC. It is a stainless steel with excellent wear…