Zhejiang Jiansheng Hardware Co., Ltd. was established in 2010. It is a manufacturer and exporter specializing in the design, development, and production of door and window hardware. Jiansheng has a modern large-scale standard factory, advanced automation equipment, and strict quality control awareness. Jiansheng always provides efficient and thoughtful service to every of our trading partners, and the sales team can patiently respond to any product issues you have in the first time. Quality accomplishes brand,brand represents quality that our unchanging belief in quality.Our main products include aluminum alloy, aluminum wood, plastic steel, UPVC, curtain wall door and window hardware.