Rainbow Ming has been playing a leading role in the Powder Metallurgy industry since it was established in 1975. Under our motto of "Customer is always right, Our Product is the best", we have offered our customers with the excellent products at the most reasonable prices within the shortest times. With our three decades of experiences and earnest workforce, Rainbow Ming's products have been successfully distributed to the international markets such as USA, England, Europe, Mainland China and So... More