To provide customers with first-class valve products and technical services, mainly involved in the fields of large-scale coal chemical plant, petroleum and petrochemical, pipeline transportation, pharmaceutical, construction, thermal power, natural gas, nuclear power, LNG, pharmaceutical, military, shipbuilding and other industries.

Refining and petrochemical industries

Vanguard produces valves for the petrochemical industry, the product range is from 1/2 to 56 inches, the pressure grade is up to Class2500, and the material is covered with carbon steel, stainless steel, nickel-based alloy, titanium alloy and so on. At the same time, Kester is committed to meeting the most stringent low leakage standards, such as TALuft, ISO15848, SHELL 77/312, etc.The main products are conventional gate stop valve, low temperature gate stop valve, high temperature and high pressure hydrogenation valve, bellows valve, PTA carbon graphite ball valve, hard sealed ball valve, three eccentric butterfly valve.

Fine chemical industry

Vanguard is able to provide high-quality products to meet the needs of chemical production, and provide a safe and reliable guarantee for users' production operation and social environment. The main products are floating soft seal ball valve, hard seal ball valve, jacket valve, up or down show type discharge valve.

Coal chemical industry

Vanguard's products can be used throughout the entire industry chain, including coal liquefaction, coal-to-natural gas, and a variety of chemicals, in a variety of wear resistant, low temperature, high temperature, low leakage, oxygen and other harsh conditions. The main products are floating hard seal ball valve, fixed hard seal ball valve.

Liquefied natural gas and low temperature conditions industry

Vanguard manufactures cryogenic valves that meet BS6364 and GB/T24925 standards up to -196°C minimum test temperatures. It is widely used in cryogenic industries such as LNG, LPG, ethylene and air separation. The main products are ultra low temperature gate stop valve, ultra low temperature ball valve.

Ocean engineering and shipping industry

We provide ball VALVES, butterfly valves, single plate or double disc check valves specially used in Marine engineering and ships. The materials include all kinds of duplex stainless steel and copper alloy with strong corrosion resistance.

New energy sources

Keep up with the development of The Times, we will continue to innovate in product research and development and production process, and will actively participate in polysilicon, shale gas, hydrogen energy, geothermal and combustible ice and other new energy projects. The main products are hard seal ball valve, soft seal ball valve.