Zhejiang Jinang Hardware Products Co., Ltd. is a professional door control hinge manufacturer engaged in research and development, manufacturing, and sales. Since its establishment in 2009, with ten years of market experience and innovative practice, Jinang has become a benchmark enterprise in the domestic door control hinge production and manufacturing industry. Over the years, the continuous improvement of internal raw materials and the management philosophy of keeping up with the times are enough to witness today's Jinang. Every reform is bound to be a brand new leap, with the sales performance annual growth rate exceeding 100% for the first time, establishing the first door control hinge inspection laboratory at home and abroad, and the first launch of intelligent hinges that break through conventional door controls with gravity