Hangzhou Qianjiang Chain Industries Co., Ltd founded in 1987, is a professional China Anti-sidebow chains for automatic doors and windows manufacturer, is also the earliest manufacturer cooperated with the Chain Drive Research Institute of Jilin University. The product well displays environmental protection and energy saving.
Qianjiang owns three famous brands “YF”, “QJ” and “HQL”, twelve series products, 48 varieties, and 806 different specifications. More than 70% of its products are sold to overseas markets. More than 60% of his products exported to oversea markets. The products completely conform to the ISO, ANSI, BS, DIN, JIS international standards and the national industry standards. Qianjiang has set up a complete set of a quality management system which is provided with advanced inspection and test equipment. Since 2001, Qianjiang has been successfully certified by ISO9001 Quality Management System, SGS inspection and BV inspection.