New year message Dear Customer: The new year is coming. We are grateful to extend our cordial greetings and sincere gratitude to you: Thank you for your continued support and care. “When we drink water, we should not forget its source”, we know that every bit of progress and success achieved cannot be separated from your attention, trust, support, and …
How to manage suppliers Many companies want to strengthen the supervision and control of upstream suppliers, and usually arrange one or two SQE quality control personnel to go to the supplier to station in the factory. And the management of suppliers is more than quality? ! First of all, there are too many factors affecting product quality, such as raw …
Regarding the problem of hydrogen embrittlement during Hard chrome plating 1. The definition of hydrogen embrittlement Hydrogen embrittlement is the polymerization of hydrogen dissolved in steel into hydrogen molecules, causing stress concentration, exceeding the strength limit of steel, and forming small cracks in the steel, also known as white spots. Hydrogen embrittlement mainly occurs on low-alloy high-strength steel, stainless …