The company established a CAD valve design center, three-dimensional simulation manufacturing test design system, to ensure the quality and speed of new product development, the company set up a complete quality assurance system. Adhering to the principle that "quality is the source of enterprise", we have adopted and introduced advanced technical equipment and excellent talents to produce various types of valve products according to international ISO, American APIANSI, British BS, German DIN, French NF, Japanese JIS and Chinese GB, JB standards. Nominal diameter: 1/4 "-200" (DN6-DN5000); Nominal pressure level: 150Lb~2500Lb (1.0MPa~42MPa); Working temperature: -20~425 ℃; Production of valve varieties: gate valve, globe valve, ball valve, check valve, knife gate valve, butterfly valve; main materials of the valve include: carbon steel, alloy steel, stainless steel, ultra-low carbon stainless steel titanium material, Monel, No. 20 alloy etc. The products have a long history, complete varieties, various size, stable and reliable quality, widely used in petroleum, chemical industry, power plant, mining, metallurgy, light industry, food, international scientific research etc. industrial field, equipment supporting and single supporting, export aid, etc., well received by users.

"Quality is the life of the enterprise, reputation is the development of the enterprise " Zhonghang enterprise spirit of " superior quality, excellent service, reasonable price, accurate commitment for the business philosophy, dedicated to provide users with high-quality valve products and more perfect after-sales service, in major cities in the country to set up sales services, agents. Product qualification certificate complete, quality products good after-sales service to continue to expand the marketing field, welcome customers to join the cooperation. Warmly invited the majority of customers to the company for guidance and negotiations.