KRAH Pipe Calculation vs G

To improve the know-how transfer from us to our customer we choose the way of a free app, so after half a year of further developments, we are proud to present our latest improved Krah-Pipe Calculation App. The app can run without an internet connection, so you are free to use it nearly everywhere.

Founded in 1997, Greatway Shanghai is an ISO9001:2008 certified professional manufacturer specializing in Bluetooth inverter welding machines and auto-related products. With three own factories (Shanghai Guangwei Electric & Tools Co., Ltd., Shanghai Power Station Co., Ltd., and Shanghai Greatway Welding Equipment Co., Ltd.), we produce Bluetooth inverter welders, inverter plasma cutters, and more. Our Bluetooth welding machines feature wireless operation for convenience, widely used in automotive service stations, small factories, garages, etc. All products are certified by UL, GS, CE, PSE, etc. Backed by over 20 years of experience in the automotive aftermarket, we’ve established strict QA/QC systems, built our own labs, and developed test equipment to ensure product quality. Our strong production capacity meets the needs of clients worldwide, delivering efficient and reliable welding solutions.