Guangzhou Tianyi Electronics Co., Ltd. was established in 1999. It belongs to the same legal person as Chengdu Yadi Industrial Co., Ltd. established in 1992. The two companies have successively shared and shared resources and information to jointly develop, develop, produce and sell the “Tianyi†brand. Audio electronics. Guangzhou Tianyi Electronics Co., Ltd. is located in the economically developed Pearl River Delta region. It is located in the traditional development and production distribution center of audio and electronic products at home and abroad. It has a wide range of information, convenient transportation, abundant resources and a full range of geography. The company has nearly 10,000 square meters of modern standard factory buildings and several technologically advanced audio products production lines, as well as a large number of experienced enterprise management talents, high-quality engineering and technical personnel and a large number of well-trained, technically sound, factory-loving Staff team. With an annual output of high-quality professional amplifiers, professional speakers, stage audio, AV speakers, HI-FI audio, home theater nearly 100,000 sets. It is a professional manufacturer of sound development, production, OEM, ODM, and strong strength. It has a prominent position in the audio industry! The company aims to build the first brand of China's audio “three highsâ€, and strives to position its products on the “three highs†level of “high qualityâ€, “high technology†and “high tasteâ€, and vigorously promotes the development of science and technology. The quality of the factory, service and plant. Always adhere to standardization, standardization, quality, humanization, scale! To provide our professional audio users with more stable, more reliable, more advanced, more durable, better listening, more professional audio technology. As early as the last century, the company has not passed the ISO9002 international quality system standard certification, the national Great Wall electrician safety certification, the national compulsory 3C safety certification, the Chinese electronic "A" certification, the national production license, the CE safety standard for export to the EU. Certification, export to the United States UL safety standard certification. In 2003, the conversion to the new ISO9001:2000 standard certification was further improved. The rigorous and standardized quality assurance system ensures that each of Tianyi's products is highly reliable and highly stable. Adhering to the corporate philosophy of “being a real person and productâ€, Tianyi has developed and produced HI-FI audio equipment, AV home theater, professional audio equipment, etc. with its strong high-tech development strength and highly industrialized and large-scale production capacity. The world's audio industry is eye-catching! Tianyi's self-developed HI-FI pure Class A power amplifier series, led by AD-2N and AD-2SE, has been selected with excellent sound quality and high performance and price. "High-fidelity Online" 2005-2008 netizen's favorite domestic audio brand first place. Tianyi's self-developed AD-7100HDII, AD-9300HD, and AD-9200HD HD next-generation power amplifiers include the most advanced HD audio decoding: Dolby TrueHD, Dolby Digital Plus, DTS Master, DTS HI RES, etc. and SD Dolby Digital (EX), DTS, DTS ES (D6.1, M6.1); Dolby Pro Logic IIx, DTS Neo: 6, 24bt/192KHzADC and DAC and other audio decoding methods, with 3D playback, HDMI1.4 transmission Technology, lip synchronization technology, Bluetooth receiving transmission technology, multi-zone room management technology, front-increased channel output technology, 11-parameter EQ adjustment technology, powerful and practical electronic sound distribution technology, multi-channel 7.1 channel balance/unbalance Audio output terminals, etc.; and take the lead in adopting PDA TFT true color LCD touch operation technology, professional-grade OSD real-time display, built-in second-level Chinese character library, full Chinese operation display and user online help, online download upgrade, electronic manual, etc. Intelligent, humanized, information-based, networked high-tech, was awarded the High-tech Achievement Award by the Ministry of Information Industry. Tianyi is the first in China to develop karaoke technology technology has always been in the leading position in the domestic professional field, after years of continuous upgrading and innovation, has brought its technology to the extreme! And timely launch of the epoch-making built-in 32-bit powerful US-specific professional DSP Digital audio processing chip, with 24bit / 192KHz ADC / DAC digital-to-analog conversion chip, built-in powerful digital sound field effect mode up to hundreds of models, and 10 kinds of commonly used microphone EQ and 10 kinds of music EQ independent Save for user to call; specially designed intelligent room acoustic characteristics automatic test function and automatic correction compensation "room acoustic defect" function, specially designed anti-howling circuit, with microcomputer can let users freely choose howling suppression work mode, operation can be realized One-click anti-howling purpose. A large number of digital sound field processing sound effects, multi-channel surround sound effects, microphone EQ optimization and Bypass effects, Reverb function and other DSP effects, mixers and other technologies with high-end latest karaoke room solutions and disco HI Room solutions! The series of products are highly praised by many middle and high-end karaoke retailers and luxury dance halls in the country and become the standard for other peer brands. Tianyi developed professional amplifiers with high quality and high reliability. Known for its high sound quality, it has long been praised and praised by the majority of KTV merchants! It has been officially reviewed and approved by the China Artistic Performance Materials Association as a member of the CTEN "Chinese Artistic Performance Material Association", thus achieving a national professional performance. Official qualification certificate and admission ticket for audio equipment. Tianyi has maintained a high degree of cooperation with experts and scholars of the world's professional audio manufacturer and many high-tech integrated circuit chip companies, so that the company's technical strength and design development level are always in sync with the world's most advanced high-tech level. And successfully applied the most advanced international audio technology and technology to the development and production of Tianyi Audio, ensuring its technological leadership and exquisite work position in the domestic audio industry; Tianyi is the first domestic enterprise to receive Dolby Dolby TrueHD, Dolby Digital Plus, DTS Master, PRO LOGIC, Dolby Digital, DTS, American BBE, SRS, HDMI and other ISO certifications. It is a national high-tech enterprise. Enterprises, over the years, have won numerous awards and received rave reviews! At present, Tianyi has won the highest honor of China's "domestic audio-visual equipment exhibition's most acclaimed products" for nine consecutive years, and won the nine domestic and international authority certification and placed on the market. The dozens of models of the remaining product series have all passed the national compulsory product certification (3C certification), and the products are sold well in 31 provinces and cities nationwide and exported to dozens of countries and regions such as Europe, America, Asia, Africa and Australia. And thus won the National Export Enterprise Achievement Award, is a veritable Chinese famous audio brand! Product categories of E-bike Battery, we are specialized in manufacturers from China, Electric Bike Battery Supplier suppliers/factory, wholesale high-quality products of manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation! 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