Zhejiang Yong Jia Jia stem Knight Manufacturing Co., Ltd. is a professional enterprise engaged in manufacturing the valve stem. Company from its inception, always adhere to the "concept of innovation and technology innovation, management innovation" business philosophy, the company dynamic and progressive; adhere to the "professional, attentive, excellence" business philosophy to provide customers with the most perfect quality products to win the trust of service users and achieve business and customer value maximization.
    Knight's introduction plus the most advanced cold forming technology, the use of CNC machine tools and supporting a series of testing equipment for production, the product thread parts of the finish to achieve a mirror effect, the bottom parts of hot forging molding technology used to enhance tensile strength, relative than traditional techniques (knife) production of stem, with concentric and high wear resistance, tensile strength, etc., use threads national standard, American standard, Japanese standard, German standard, British subject of uniform standards, a variety of valve ideal accessory products. Continue to grow in the process, established a rich theoretical knowledge and practical experience of the technical team; accumulated a wealth of management experience, has a full product design, development, production and sales of business management and technology management system.
    Add Knight to strong technical force and reliable quality assurance system to ensure perfect quality, "quality is life, customer is God," the service concept, providing customers with quality products and services.