Zhejiang Liangnai Self-Control Valve Co., Ltd. is located in Oubei Town, known as the hometown of pumps and valves, in Yongjia County, Zhejiang Province. It specializes in the production and sales of ball valves, butterfly valves, gate valves, globe valves, check valves, and other series.

The company boasts a comprehensive management mechanism and state-of-the-art machinery for machining, inspection, and testing. Our product line is innovative in design and craftsmanship, backed by superior technology. Our range of valves includes electric stainless steel ball valves, electric flanged ball valves, floating ball valves, fixed ball valves, butterfly valves, gate valves, globe valves, check valves, and more. All products are manufactured in accordance with international standards such as American Standard API/ANSI, Chinese Standard GB, Japanese Standard JIS, German Standard DIN, and British Standard BS. Our valves are available in nominal diameters ranging from 1/4" to 80" (DN6 to 2600mm), with pressure ratings from 0.1MPa to 32.0MPa (Class150 to Class1500), and operating temperatures from -196°C to 595°C. The main materials used in our valves include cast iron, ductile iron, carbon steel, alloy steel, stainless steel, copper, and more. Additionally, we can tailor-make various products according to specific customer requirements.

The product quality reaches international standards. The product design utilizes CAD and CAM technologies, and introduces and adopts advanced management systems and processes from abroad. The production department is equipped with advanced and comprehensive facilities, providing products with reasonable design, beautiful appearance, and reliable quality, which are trusted by a wide range of users.

Our company has always adhered to the business principle of "quality with conscience, durability", continuously developing new products and expanding service areas. We are willing to sincerely provide high-quality valves to new and old customers from all walks of life both domestically and internationally. We welcome your inspection, guidance, and patronage. Let us cooperate sincerely and create brilliance together.