Proval Technology
Official Website: www.proval.com.tw ↗PROVAL INDUSTRIAL CO., Ltd is a manufacturer of industrial ball valves, ball valve accessories and precision cast metal parts, offering manually operated versions as well as pneumatic and electric actuated options. The company serves customers in the petroleum, chemical, construction, machinery, medical, transportation, semiconductor and food sectors.
Its products are supported by in-house casting, manufacturing, quality control and testing operations, with inspection certificates published for its product range. The company also discloses information on environmental protection and corporate social responsibility, covering charity activities, employee welfare and talent management, and presents its products at trade exhibitions. With multilingual website support in traditional Chinese, simplified Chinese and English, PROVAL positions itself as a supplier of ball valves and precision cast components for demanding industrial applications.










