Shanghai Zhongchangjiang Telecommunication Technology Co., Ltd. Located on No. 5829 Hunan road, Pudong new district, Shanghai; With an area of 49, 000 square meters and 4.5 million dollars registered capitall, is a professional Anti-radiation earphonr manufacturer in China. It's new product ibrain anti-radiation earphonr designed with special acoustic air tube channel and world unique anti-electromagnetic radiation shileded wire technology, have obtained the United States, Australia, Germany, Japan, Russia and China invention patent and other World Intellectual Property Organization recognition, with the advance designm ibrain anti-radiation earphone is praised as the first class anti-radiation mobile phone earphone. Now we have established a long term stable business cooperation with customers all over the world, with 30 million annual production, many products gave been widely exported to USA, UK, German, Australia etc, enjoying a high reputation among the field.

Established in 2002, Shenzhen Guideray Electronic Co., Ltd. Is a professional manufacturer and exporter that is concerned with the design, development and production of electronic products, including mobile phones, tablet PC and mobile power supplies that match high-end headphone cables, data cables, chargers and a variety of adapters.

SHENZHEN NARY ELECTRONIC Co., Ltd is one of the leading manufacturers of Digital Card Reader Speaker (such as Bluetooth Speaker/Bluetooth Wireless headphone/Boombox Card Speaker/Yatch Card Speaker/Bluetooth Wireless make great efforts on R&D, Production and Marketing to be a more creative and responsible manufacturer. Most of our products are with FC, UL, ((, RoHS, SASO, certification.

Guangzhou CYCC INDUSTRIAL Co., Ltd is located in Guangzhou, Guangdong, China, which is a leading manufacturer and supplier of specializing in 3C accessories: "Consumer Electronics, Computer, and Communication. " We offer products Such as Mobile Phone LCD/Display, Mobile Phone Flex Cable, Mobile Phone Case, Mobile Phone Spare Parts, Mobile Phone Speaker, Mobile Phone Unlock Box, Digital Camera and LCD/Flex, Computer and Notebook accessories and so on.

Shenzhen Teanabuds Electronics Co., Ltd (hereinafter referred to as our brand "TeanaBuds") was established in 2000, and we have many years of history in the bluetooth earphone industry. We are located in Shenzhen city, we enjoy convenient water, land and air transportation.