Custom Manufacturer of Valve Balls in Many Different Metals & Sizes Ranging from 1/4" to 40" in Sphere DiameterWe offer a complete line of Valve Balls including standard port, multi-port, ball & stem, angle port, top entry and trunnion types.

Website: sem-tec.biz

Phone: (508) 798-8551

Cross Streets: Between Jackson St and Beacon St