
Product Description Three characteristics: safety, efficiency, high performance...
In 1987, Yansi Sinda Wire Products and Hardware Factory was established, which was mainly engaged in the production and sale of furniture handles, door handles and cables. Over the course of a decade, the hardware factory grew and developed, and in 1999, Hyda International Door Control Equipment Group Co., Ltd. was established in Hong Kong, becoming one of the first enterprises in China to begin producing floor closers, and gradually entering the global market.