Shenzhen Zonhen Electric Appliance is a professional designer, manufacture distributor of solenoids in China. It has building 2000 square meter, over 200 skilled workers and a ten years' experience design team. We had passed the ISO9001: 2000 quality management system and ISO14001: 2004 Environmental Management System Certification/TS16949. All our materials are met the environment-protecting requirement of Lead free /RoHS /NP /GP and safety requirement UL/CCC/CE/EN etc. OEM and ODM will also welcome. You can check our website to get more details.