Yes, Jiangsu Shentong Valve and Shanghai Qizhong Valve are among the top ten brand valve manufacturers in China.

Jiangsu Shentong Valve Co., Ltd. was established in 1995 and is located in Huaiyin District, Huai'an City, Jiangsu Province. It is a leading enterprise in China's valve industry. The company has an annual output of 60,000 tons of valves, and its products are widely used in petroleum, chemical industry, electric power, shipbuilding, metallurgy, water conservancy, construction and other industries. The company has successively won the honorary titles of "China Famous Brand Product", "China Famous Trademark", "National Contract-abiding and Credit-worthy Enterprise" and other honorary titles.

Shanghai Qizhong Valve Manufacturing Co., Ltd. was established in 1988 and is located in Pudong New District, Shanghai. It is a well-known enterprise in China's valve industry. The company has an annual output of 30,000 tons of valves, and its products are widely used in petroleum, chemical industry, electric power, shipbuilding, metallurgy, water conservancy, construction and other industries. The company has successively won the honorary titles of "China Famous Brand Product", "China Famous Trademark", and "National Contract-abiding and Credit-worthy Enterprise".

Jiangsu Shentong Valve and Shanghai Qizhong Valve are both outstanding enterprises in China's valve industry. They have excellent product quality and high market share, and are brands trusted by the majority of users.