Anyang Longda Ferroalloy Co. , Ltd was built in 1989, Mainly proceed Silicon Metal, Ferro silicon, Silicon manganese, And ferro manganese. We have good supply, Our monthly production quantity is around 2500mt for each product, Welcome all customer visit here and enquiry, You can send yr enquiry to my e- Mail box fanny_jia at 163 dot com and hotmail box fanny_ayld at hotmail dot com, Tks !