Ningbo Vigour Intelligent Manufacturing Co., Ltd., originally known as Ningbo Lianyongxin Construction Hardware Co., Ltd., was independently registered and established to strategically position the company for future advancements in intelligent door and window technology. Our firm, driven by a steadfast commitment to innovation, specializes in the research, development, production, and sales of door and window handles, hinges, window locks, door locks, and Transmissions, integrating import and export rights. The company is located at No. 266 Tianhai Road, Binhai Development Zone, Fenghua District in Zhejiang Ningbo, which offers a picturesque landscape with convenient transportation and comprehensive facilities. Our factory spans 25,000 square meters and is well-equipped with advanced equipment, including die-casting, stamping, robotic polishing, powder coating, and sophisticated automatic assembly lines.

To ensure Product Quality, we independently operate a product testing center, continuously upgrade our production equipment, and enhance our product designs. Our product quality is certified under the ISO 9001-2008 international quality standard system and is well recognized by our customers and peers in the industry. 

At Vigour Intelligent Manufacturing, we value our customers' unique needs and preferences. That's why we welcome OEM and ODM orders, offering a variety of products suitable for PVC and aluminum alloy profiles. 

We at Vigour Intelligent Manufacturing are eager to connect with future partners, dedicated to providing customized, innovative solutions with a spirit of integrity.