Yongkang Flyer Metal Products Factory,is locating in the Hardware city-YONGKANG and established in 2003.which is professional company to produce the hardware parts and stainless steel vacuum flask,travel mug,coffee mug ,scholar cup etc. Our company is incorporate the researching,developing and producing.our major products are LUYU brand stainless steel vacuum flask series,which are not only gained the domestic mardet,but also covered the sales network all over the country.