Beijing Weika Risheng Doors and Windows Co., Ltd.  

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The Kemi Ling system doors and windows are affiliated with Beijing Weika Risheng Doors & Windows Co., Ltd. Drawing on German door and window manufacturing technology, we are a large-scale, professional enterprise specializing in the research, development, production, sales, and service of thermal-break aluminum systems and energy-efficient aluminum-wood composite doors and windows. Kemi Ling’s product line comprises three major series—thermal-break aluminum system doors and windows, aluminum-wood composite door and window systems, and sunroom systems—offering dozens of classic models. All products are designed, developed, and manufactured by our R&D team based on an in-depth understanding of Chinese market consumer needs, pain points, and usage habits. Our products boast unique performance characteristics and distinctive features. As early as the mid-1990s, the three founders of the Kemi Ling brand went abroad to study door and window technologies. Upon returning home, they wholeheartedly devoted themselves to the door and window industry in Beijing—from the initial hardships of setting up a factory to gaining widespread consumer recognition, serving millions of households across China. Over the years, our product range has evolved from a single product line to a diversified portfolio of doors and windows. We have witnessed China’s door and window industry go through several eras—from wooden windows, to aluminum alloy windows, to PVC windows—and now into the current era of thermal-break aluminum systems and passive windows—a journey spanning two decades. These 20 years have been marked by youthful dedication, resilience through trials and tribulations, and unwavering commitment to delivering exceptional home improvement services, earning us an outstanding reputation among both industry professionals and consumers. Over these 20 years, while the company has grown stronger and expanded its scale, our core identity has remained unchanged: our relentless pursuit of quality, our continuous innovation in new products, and our original aspiration—to provide high-quality, cost-effective door and window systems that Chinese families can afford and truly enjoy, bringing happiness and beauty to your life! The company’s annual output value reaches 120 million RMB, and we own 13 imported processing machines with fixed assets exceeding 550 million RMB.