Shenzhen Chengxin Gongchuang Technology Co., Ltd. is a company which specialize in developing and manufacturing waterproof rearview cameras, car rearview mirrors, Bluetooth earphone, Bluetooth Speaker, mobile power, mobile phone accessories, etc. All our products are tested strictly. Before dispatched, they all go through all kinds of test, such as aging test, quiver test, high temperature and low temperature test, especially the rearview cameras also need waterproof test. At the same time, we always take science innovation as a leading rule, every month, we introduce 3-4 new models. If you have any questions about installation or other aspects, we also be pleased to provide technical support. Meanwhile we would like to provide customers and business partners OEM/ODM integrated solution and professional technical support. Our policy is to strive for 100%customer satisfaction all the time through continuous improvement of quality and reasonable price. We welcome your inquiries and look forward to establish long-term good business relationship with you in near future.