Inn Sinn Enterprise founded in 1971. Since then Inn Sinn has insisted on creativity and innovation. Inn Sinn has incredibly perfect production line and manufacturing process capability who completes all his invention and production in Gangshan factory from raw materials (Pumping line), screw modeling, heat treatment, surface treatment (electroplating / painting) to the customized packaging. Therefore, Inn Sinn always performs marvelous output effectively and provides best quality to customers. ...