Hangzhou Ice Crystal Trading Co., Ltd.: Find professional art candle, animal craft candles, fruit craft candles, portrait craft candles, food craft candles manufacturers and suppliers in China here.
... Read more
Hunan Yige Special Steel Science Technology Co.,Ltd: Welcome to buy seamless steel pipe, welded steel pipe, stainless steel pipe, kelly bar in stock here from professional manufacturers and suppliers
... Read more
A half-bridge transformer is a type of DC-DC transformer that, like flyback and forward transformer, can supply an output voltage either higher or lower than the input voltage and provide electrical
... Read more
Friction stir welding (FSW) is a solid-state joining process that uses a non-consumable tool to join two facing workpieces without melting the workpiece material. Heat is generated by friction between the rotating tool and the workpiece material, which leads to a softened region near the FSW tool.