XZH Technology Co., Ltd was found in 2014.,with perfect quality assurance system and advanced test-analyzed instrument. We have rich experience in the production and development of voice recorder and wireless earphone power bank for many years. Our major is in PCBA assemble, suitable for Computer, audio device, Family electronic device. And other Precision instruments. We have gained the trust of clients in China and abroad. With the Mission" Priority Customer and Quality comes First. Passed UL, VDE, CQC, CAS, ISO9001, and ISO1400.