Gaoneng Valve Group Co.， Ltd was established in 1985， two industrial zone ( sanqiao and lishui) and five baby companies， around 200 employees， of which 10 are engineers and technicians. GAONENG is a specialized manufacturer of industrial valve according to API， ASME， EN， ISO， JIS， DIN， BS， GOST & GB standards.The product includes butterfly valve， ball valve， gate valve， check valve， globe valve， plug valve etc. Especially for butterfly valve is our leading products， maximum size can reach DN4500， almost cover any kinds of structure. Some items are the first in our domestic. Material can be cast iron
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