Vacuum Processing--we have more than 17 years' experience in producing ingot molds, sow molds, dross/drain/skim/salt/bath Pans and anode yokes for customers around the world, Tight Tolerances & Fine Surface Finish are guaranteed by Vacuum Processing. And modified material and special heat treatment improve the life of our products. Good Service: A. Every-week production status report B. Chemical, dimensional, mechanical and detailed product pictures reports before delivery C. Skillful operation of export. D. Timely after-sale service