Our company provides high-quality spare parts of pneumatic conveying system, including dome valve seal rung and dome valve. Our company is specialized in studying and developing parts for industry of power generation, petrochemicals, cement and metallurgy, and producing and importing spare parts, and digesting and absorbing foreign technology. and developong sealed airbag, the key parts of dome valve. Our company improves dome valve technology and make the valve rank international leading level by considering working status of domestic generating sets. Featuring reasonable price, timely deilvery and long service life, our dome valve has received much recognition.