Zhejiang Yongkang Valve Flange Manufacturing Company (Yongkang Industrial Valve Factory) is specialized in producing ball valve, globe valve, gate valve and all kinds of flange manufacturers, the product has a long history, advanced testing equipment and technology. Product by the Ministry of Machinery Industry General Machinery Research Institute produced, according to national standards, universal testing center of the valve. Products were used under the conditions of use of cast iron, carbon steel, forged steel, stainless steel, heat-resistant steel and high alloy steel. With reasonable design, advanced technology, excellent quality, reliable performance, complete specifications, reasonable price. Over the years that China's oil, chemicals, fertilizer, paper, food, pharmaceutical and o.. (more>>)