Huisida Hardware Products Co., Ltd. was founded in 1993, is a professional manufacturer for high-quality floor springs, door closers, stainless steel patch fittings, glass door locks, glass door handles, shower hinges and other door control hardware products. The modern standard factory was put into use in 2006. The factory covers an area of more than 30,000 square meters, production workshop has more than 20,000 square meters. HUISDA and LANGN are our main manufacturing brands, which are popular in the domestic and international markets for over two decades. Our products have achieved customer trust and recognition. Huisda insists on "survive by quality, develop by technology, brand reputation from service and efficiency from good management" as our purpose.Our company has the international advanced level of high-precision automation special equipment and production lines, the products meet the national QB/T 2697-2013 technical standard and achieve the ISO9001-2000 international quality management system certification, and the products have passed the European CE certificate, and was rated as "China Famous and High-quality Product" and "Selected Product Designated by the Ministry of Engineering and Construction".