Fujian Jiest Valve Manufacturing Co., Ltd. (referred to as Jiest) was formerly known as Fujian Yong'an Valve Manufacturing Co., Ltd. Founded in 1991, it is a specialized high-tech enterprise integrating research and development, design, production, sales, maintenance, installation, and service.
Jiest holds national TS production qualifications, safety standard qualifications, CE0036, special equipment production licenses, and other certifications. Its main products include energy-saving valves, ball valves, butterfly valves, non-flow resistance check valves, gate valves, three-way stop valves, globe valves, regulating valves, quick-rotating valves, food waste separation valves, non-grooved slurry gate valves, ash slurry valves, fluorocarbon stone valves, ceramic valves, self-ice-breaking tank bottom valves, non-flow resistance sight glasses, pipeline sight glasses, direct current filters, tank body anti-vacuum protection valves, acid-resistant nano-silica crystal pipelines, and abrasion-resistant fluorocarbon stone pipelines. These products are widely used in various industries, including the chemical industry (strong acids, medium acids, weak acids), coal chemical, silicon chemical, power plants, steel, metallurgy, mineral processing, papermaking, marine, environmental protection, pharmaceuticals, grain and oil, food, and military industries for the transportation systems of solids, gases, ash slurry, and liquids. Today, Jiest has entered the fast lane of its second 30 years of development, becoming a practitioner in the design and manufacturing of high-end valves.