Tianjin Zhengxin Valve Co., Ltd. Is located in the city of Jinnan District, the transportation is very convenient. Is a set design and development, production, installation, sales and service as one of the valve manufacturing enterprises. Our main products are: Butterfly valve, gate valve, check valve, soft sealing valve, flanged butterfly valve, double butterfly valve, single butterfly valve, manual valve, electric butterfly valve, pneumatic butterfly valve, MID-line butterfly valve, metal butterfly valve, hydraulic control valve, micro-resistance check valve, multi-function pump control valve and so on. At the same time also produce different materials, pressure, specifications, driving mode of the control valve, pressure relief valve, soft sealing butterfly valve and other products. Tianjin Zhengxin Valve Co., Ltd. Has excellent production equipment, innovative product design, advanced structure, exquisite technology, well-made, complete detection means, enterprises have reached a high level of design, development, manufacturing, testing. Tianjin Zhengxin Valve Co., Ltd. Is a registered enterprise approved by the relevant departments of the state, the company's products cover all over the country, and exported to South, North, Western Europe, Southeast Asia, and other countries, widely used in water supply and drainage, power, petrochemical, metallurgical and other industries. Product ingenuity, high quality and affordable, reputation, highly trusted by users. Tianjin Osai Valve Co., Ltd. With strong strength, reasonable prices, excellent service and a number of enterprises established long-term relations of cooperation.