According to the latest data on September 1, 2026, the central parity rate of the RMB against the US dollar has broken through the important psychological barrier of 6.7, reaching 6.7809, an increase of 19 basis points from the previous trading day.This exchange rate breakthrough is supported by cle

According to major international standard systems,the core standard specifications for boiler tubes are as follows:I,American ASTM Standard SystemASTM A192,A192M: This standard applies to seamless carbon steel boilers and superheater tubes used in high-pressure applications and is a commonly used

On August 20, the onshore RMB briefly broke through 6.72, reaching 6.7203, while the offshore RMB simultaneously surged to 6.7205, both setting new records since February 2023. It continued to rise in the following days, with the offshore RMB reaching a high of 6.7179 intraday on August 21, bringing

The following are some of the main failure types and their causes:1. Corrosion Fatigue (One of the most common risks)The combination of corrosion and alternating stress is a major cause of drill pipe failure. The mechanism is that corrosion pits form on the outer surface of the drill pipe in an oxyg

Tool steel is a type of high-quality steel specifically designed for manufacturing various tools (such as knives, molds, and measuring tools). Its core characteristics are high hardness, high wear resistance, and a certain degree of toughness.Based on chemical composition and performance characteris