ShenZhen Qtax technology Co., Ltd. is approved by the Shenzhen Municipal Administration for Industry in Shenzhen high-tech enterprise registered in the company is mainly engaged in audio products, digital products, digital accessories development, production and sales. Dedicated to information, technology and electronics industries. Qtax has mold manufacturing of electronic products manufacturing with international advanced level of production of hardware facilities, and have had the right to import and export. Strictly in accordance with the company's quality management ISO-9000 series, insisting that the principle of quality first, product excellence, in the acoustic field is its own unique expertise. Qtax also has many well-known brands at home and abroad to provide OEM services, product developed by a number of patents certification, and FCC, CE, ROHS certification. Carol has new digital audio-visual form long-term and stable strategic partnership with many famous domestic and foreign IT with absolute sincerity. 

Mars Stage Lighting & Audio Equipment Co. Ltd engages in designing & manufacturing different stage equipments such as fog equipments, laser lights, LED Moving Head Light, LED wash light and so on. Focusing on developing high quality and innovative products in the stage lighting industry, Mars Stage Lighting & Audio Equipment Co Ltd has not only modified some of the old equipments but also introduced a variety of new products into… read more

BCTC as the world leader in industrial and consumer products, third-party testing, inspection and certification bodies, has a larger EMC & Safety Laboratory, as well as world-class testing equipment and professional testers.
BCTC testing product range includes: information technology, home appliances, lamps, electric tools, radio and television audio, industrial, scientific, medical, automotive electronics, wireless products, while agents around the world of electronic products as well as machinery and equipment certification , medical electronics, automotive electronics, toys, and other harmful substances in environmental testing and certification services.
BCTC has received numerous international authorization and accreditation of certification bodies, including the German TUV, EMCC American UL, FCC, TIMCO Canada IC, Czech Republic EZU so on. Can be directly CE, FCC, CCC, C-Tick, ETL, UL, EK-MARK, RoHS etc. all the tests, to help customers to apply for a multi-national certification.
BCTC headquarters and several branches in the domestic business network consisting of, possesses sound internal quality management system, excellent service system, customer satisfaction of the price system and the integrity of the principles of cooperation for the Chinese enterprises to provide comprehensive professional and authoritative, rapid testing and certification services.

BCTC Laboratory description:
 10m open test field (Radiated Test)
 semi-anechoic chamber (EMI Pretest)
 Shielded Room (Conducted / Power Clamp Test)
 magnetic radiation test chamber (lighting devices Test)
 VLF radiation test chamber (LR / TCO Test)
 edit room electromagnetic interference (EMI Debug)
 Immunity edit room (RS Debug)
 fully anechoic chamber (RS Test)
 electrostatic discharge test chamber (ESD Test)
 lightning test chamber (Surge Test)
 Conducted immunity test chamber (CS Test)
 sex fast pulse & Power Harmonics & voltage fluctuation & field immunity test chamber
(EFT / Harmonics / Flickers / Magnetic immunity test)

BCTC some long-term cooperation customers:
Beijing patriot, BYD, Sony Ericsson, Great Wall Computer Shenzhen, Guangzhou, Jewitt fast, TCL, Shenzhen grid days optoelectronics, photovoltaic Pepnice, Coship, Huizhou Desay Group, Sichuan Changhong Group ......     撤消修改 Alpha  

Yama Technology Co., Ltd. of Shenzhen Xu (referred to as ""the Amazon Asahi"") was founded in 2012, located in Guangzhou, Guangdong Province. Is a professional production and sales in one of the manufacturers. The main products are: digital products, mp3/mp4, voice recorder, speaker card and so on. The company currently employs 50 people and annual sales of 50,000 products, with annual sales revenue of nearly $ 50. The company has consistently adhered to ""quality first, customer first, quality service, abide by the contract,"" the purpose, with high quality products, good reputation, high quality services, products sold nearly 30 provinces, municipalities and autonomous regions, and far to the U.S., Europe and other countries. Wholeheartedly with the domestic business win-win cooperation and common development, create brilliant!