Our History
Our office is located at Block A 401-402, JinYuYunChung, BanTian, LongGang, ShenZhen China. There are 350 square meters, 18 people. Product developing of 10 people (including: appearance designer, structural design Engineer, hardware engineer, software engineer, electroacoustic engineer) and sales team of 8 people.
YiYin Technology produce the mobile accessories since 2010. We focus on the bluetooth earphone from 2014 and start the TWS earphone in 2016. We provide professional OEM and ODM services to customers. The company relies on independent original design, wireless connection technology, audio and sound processing technology, acoustic technology, rich production and quality control experience and production process. Directly or indirectly serving more than 100 professional customers around the world, we are committed to building a multi-faceted service enterprise which is including integrates product design, product development, product manufacturing, and product production. We are pursuing a broader development space, and we are willing to get more profit with more partners.
Our Factory
Our factoy is located in Block 2, HuaZhiChuangXin Valley, YuHua Rd, TangXia Town, DongGuan. The total area is more than 3,000 square meters. It has more than 100 employees and 8 production technicians (including technical management, production technology, quality control and other technical backbones), QC, IQC and other quality personnel 12, assembly line 4, daily output is 4,000 units. After five years of hard work, our factory has become a professional audio production base.
Our Product
Bluetooth earbuds, Wireless earphone, TWS earbuds.

Product Application
For mobile and pad, for sports and business.
Our Certificate
ISO9001, CE, ROHS, FCC, REACH, BQB, TELEC, KC.

Production Equipment
RF test Machine, Electoacoustic tester, Horn curve tester, Automatic dispenser, Aging Tester, button life tester, Soundproof room, RF shield room, Ultrasonic assembling, Hot shrinkable film machine.

Production Market
Our main market is Europe, USA, Japan and South Korea, as well as brands in China.
Our Service
Pre-sale service:
1. Free drawing supplied in 7 days for ODM project.
2. Products direction development.
In-sales service:
1. Quality assurance.
2. Timely and effective communication.
3. Delivery on time.
After-sale service:
1. Continuous developing for new products.
2. Permanent technology support. Mini Rechargeable TWS Bluetooth Earbuds
website:http://www.yiyintech.com/