we are professional manufacturer of valve,the factory located in Taizhou, Zhejiang Province, and has an office in Ningbo. Our products includes ball valve, gate valve, check valve, angle valve and so on, all the products are made of proper materials and with advanced technology to guarantee high quality, have won a good reputation from clients. With your specific requirement, we can also make it. You can login in www.aigema.com to acquire more information of our products.