NO. 111,Caoli Road,Fengjing Town,Jinshan District, Shanghai, China ShanghaiShanghai201502 China
Topper Forged Valve Company focuses on manufacturing forged steel valves since 1988, including Forged Ball Valve, Forged Gate Valve, Forged Check Valve, Forged Globe Valve, Forged Integral Flanged Valves. We set our forged valves apart from others by high degree reliability, sustainability, durability, and highest standards in the entire production process, and we have powerful technical capabilities, advanced production and inspection equipment, scientific management, high-quality valves and perfect after-sales service. Topper innovative forged valve products are applied in gas, oil, refining, chemical, power generation and pipeline transmission industries. For more details, please visit our website: http://www.valvesforged.com/
The Teledyne Marine Group provides a sea of solutions to the marine industry - please visit our individual companies for more detailed information on Benthos, Blueview, CDL, DG O'Brien, Gavia, Impulse,ODI, Odom Hydrographic, RD Instruments, Reson, TSS and Webb Research
Massa Products Corporation designs, engineers, and manufactures sonar and ultrasonic products for use in ocean, air, and fluids. Founded by Frank Massa, the man who pioneered the field of electroacoustics over 75 years ago, Massa is the only company that remains…
SubCtech is a German manufacturer, maker of the OceanPack ship based measurement systems used for scientific research and industrial monitoring of water quality and oceanographic parameters. SubCtech also excels in ROV and subsea Li-Ion battery technology. The…
VideoRay is the largest volume producer of Underwater ROVs (Remotely Operated Vehicles) in the world. Established in 1999, VideoRay has worked with technology and mission partners throughout the world to develop and prove the small ROV tool for a wide range of applications.
Hydrodynamic and propulsion system design tools for naval architecture and the propeller trades – from concept to 3D CAD. Our core mission is providing engineering tools to develop ships, boats, and other marine vehicles – and their propellers – more efficiently and responsibly.