Jiangsu Evalve Co., Ltd.

Jiangsu Evalve Co., Ltd. (also known as Yivalve) is a high-tech valve enterprise established in 1982 in Yangzhong, Jiangsu Province, with a registered capital of 100.296 million yuan. The company specializes in the research, development, design, manufacturing, and sales of high-end industrial valves. Evalve is recognized as a national specialized and innovative 'Small Giant' enterprise, a national intellectual property advantage enterprise, and a national high-tech industry standardization pilot enterprise for high-end valves. The company operates a 38,000 square meter factory with a casting production line producing over 6,000 tons annually, equipped with over 300 sets of CNC machine tools and machining centers. Evalve maintains a 6,400 square meter R&D building and a 2,400 square meter testing center with vacuum leak detection, helium testing, and ultra-low temperature testing capabilities. The R&D team includes 9 PhDs, 70 technicians, and 46 engineers. The company holds 41 national patents, has led one international standard, and participated in drafting six national valve standards. Products serve petroleum, natural gas, LNG, shipbuilding, ocean engineering, new energy, refining, chemical, nuclear power, aviation, and aerospace sectors. Certifications include ISO 9001, API 6D, API 594, API 600, API 602, API 608, API 609, CE/PED, SIL, CNAS, and ISO 15848.