Our company is a manufacturing Marine Valves company. We are profession manufacturer in all kinds of marine valves like JIS marine valve and air pipe heads. Our products have passed JIS standard and certificated by Certificate of China Classification Society in marine industry, can be extensively used in marine. Our products have been exported to Korea, Singapore, Middle East and Europe. We can offer various types-globe valves, check valve, swing check valve, gate valve, hose valve and their accessories with good price and high standard quality. As the same time, we can supply air vent head for JIS-KS91A-121, 53-ON, JIS 10K and DIN stand. The body material can be cast iron, cast steel or cast bronze. We set up our factory with the purpose of supplying high quality, standard products, service and good price to the customers made them more profitable. The Air Vent Head is manufactured according to JIS standard of marine. They can use on air pipes of dust in oil tank, seawater tank and fresh water tank. The size is from 50mm to 450mm.Dimension of flange can be supplied which your need standard. We can guarantee the quality of products and try our best to satisfy your demand