GUIYANG DAGAO is a rich experienced manufacturer of machined tungsten/molybdenum products and other refractory metal products in high quality since 2005 year.We are proficient in the knowledge of prod...

Dongmagou Industrial Park, Luoyang, Henan, China

Luoyang Sifon Electronic Materials Co., Ltd. is founded in 2001 and locate in Luoyang City which named Nine Dynasties capital. We are a manufacturer which mainly produce the molybdenum and tungsten me...