Shenzhen Tangxin Technology Co., Ltd. is a high-tech enterprise and manufacturer established in 2003, specializing in the development, production, and sale of professional telecommunications software and hardware. Based in Shenzhen, China, the company has over 20 years of experience as a pioneer in enterprise communication solutions, integrating R&D, manufacturing, and after-sales service. Operating with a workforce of 11 to 50 employees and generating an annual revenue between US$5 million and US$10 million, the firm maintains a strong focus on independent technological innovation and core software techniques.
The company's extensive product portfolio, primarily marketed under the "Tansonic" brand, includes telephone recording boxes, PCI/PCI-E recording cards, embedded voice loggers, and E1 PRI telephone recorder systems. They also provide comprehensive software solutions such as PBX charge software, mini call center systems, and call management software. Their recording systems are highly scalable, offering configurations ranging from single-channel USB devices to 128-channel PCI systems and standalone network voice loggers. These products serve a diverse range of sectors, including finance, insurance, hospitality, public safety, and aviation.
Shenzhen Tangxin Technology operates its own factory and offers professional OEM services to meet specific client requirements. The company is committed to quality and international standards, having secured CE and FCC certifications for its recording products. With a global market presence, they export to regions including Western Europe, North America, the Middle East, and Southeast Asia. In addition to hardware manufacturing, they provide value-added services such as on-site installation, technical training, and lifetime free software upgrades for their core communication platforms.
16ports/Channels/Lines USB Telephone Recorder /Multi-Channel Telephone Recording Box for Analog Line, USB Telephone Recording Box
E1 Digital Telephone Recording Card, Pri Digital Telephone Recording Card, 30-Channel Digital Telephone Recorder Card
16 Ports Standalone Telephone Voice Recording Device /Standalone Voice Recorder with Client Search and Browser Search
4 Ports/Lines USB Telephone Recorder /Support Windows 7 Windows 8 Windowsxp 4 Lines Recording Phone Calls on Computer
16 Port PCI Exrepss Telephone Voice Logging System/PCI Exrepss PC Phone Recording
Tansonic 16 Channel PCI Phone Recorder System (Pass CE and FCC)
Shenzhen LETEL Technology Co., Ltd.
🇨🇳 China
200311-50 peopleManufacturer
Established brand
OEM manufacturer
ODM manufacturer
Own brand
Key market
Europe
Description
Shenzhen LETEL Technology Co., Ltd., established in 2003, is a professional manufacturer of telecommunication and entertainment electronic products. Based in Shenzhen, China, the company specializes in a range of products including USB VoIP phones, USB gateways, VoIP gateways, auto dialers, IP phones, and GSM fixed wireless phones. With 11 to 50 employees, LETEL focuses on product R&D, quality control, and brand building, adhering to the tenet of "To meet and exceed customers' expectation." The company operates a factory and offers OEM, ODM, and contract manufacturing services. Shenzhen LETEL Technology Co., Ltd. holds ISO 9001, CE, and FCC certifications, ensuring high-quality standards. Over 80% of its products are exported to international markets, including European countries, North America, Australia, New Zealand, Latin America, the Middle East, and Southeast Asia.