Set up in 1999, Shanghai Kaiyang International Trade Co., Limited now holds one trading company in Shanghai Waigaoqiao Free Trade Zone, one manufacturer specializing in the production of handle locks and all kinds of hardware products in the material of zinc and brass, and one cooperation manufacturer specializing in the production of handle locks and window handles in the material of aluminum by gravity casting and die casting.
Since the year of 2006, we started to supply the electri...[Click for details]


