Laiyang dongxing Copper and Aluminum products compony is established in 2001,it is specialize in producing machine oil coolers .Our compony passed the ISO9000 quality authentication in 2007.
Our compony produces fine goods with low price to ensure the need for home and foreign clients.Sincerely we welcome clients worldwide to cooperate with us.Since was established,our compony have been reserved he quality throughout first an,customers supreme,the development and production of products.