... free to contact us if you have any request.Specification:Company:Jinan Gaoxin Huaneng Pneumatic & Hydraulic Co., Ltd (GXHN), established ... Pneumatic components field in Shandong Province of China. We company, Jinan Huachenweida Trade Co., Ltd, as the exporting branch office of ... sales of exporting reaches 10 million one year.Our company scale as follows:13 years production history4 manufacturing base150 ...