ShenZhen Jing Wen Automatic Equipment Co., Ltd. is a professional manufacturer located in the suburb of Ningbo, with convenient traffic and attractive scenery. We specialize in the production of solenoid valves, air treatment units, vacuum products, air pilot valves, and some other pneumatic products. Regarding the products of SLGPC, the quality is strictly controlled according to the ISO9001 Quality System by every worker in our company. Also, you will experience excellent service when you ...