Quantum Mechanics

Marvac Scientific Manufacturing Co, established in 1959 by Silviano Marin, has built a reputation for creating high-quality, handmade cooling system tools tailored for specific market niches. With 65 years of experience, the company prides itself on durability, precision, and a strong work ethic from its dedicated employees. Initially focused on laboratory vacuum pumps, Marvac has evolved to specialize in cooling system service tools, offering a range of products including pressure tester kits, cooling system refill kits, and various adapters. The commitment to American-made quality ensures that customers receive reliable and effective solutions for their vehicle repair needs. Generated from the website

GNB Corporation specializes in the manufacture of vacuum valves, chambers and accessories. The company provides standard designs and custom engineering solutions. It offers gate, pendulum and angle valves, multicoolant baffles, liquid nitrogen traps, custom flanges and fittings, view ports, bellows and throttle plates. GNB Corporation also offers repair and rebuild services. The company performs computer-aided design, fabrication, assembly and testing operations. Its professionals are experienced in computer numerical control machining and residual gas analysis. GNB Corporation delivers its products through an international sales network. The company has operated for more than 30 years and is headquartered in Oak Grove, Calif.