Sichuan Tengchen Technology Co., Ltd. is a professional technology enterprise based in Chengdu, China, specializing in the research, development, production, and sale of wireless explanation solutions. Operating under the "keyinda" brand, the company serves as a manufacturer and OEM provider with a focus on electronic engineering and digital technology. Their comprehensive product portfolio includes wireless interpreters, navigation machines, simultaneous interpretation equipment, and team commentary systems designed for government agencies, museums, scenic spots, and corporate events.
The company's core hardware offerings feature 2.4G and UHF wireless receivers and transmitters characterized by strong anti-interference capabilities, stable communication signals, and high-fidelity sound quality. Notable product features include integrated ear-hook designs, one-key pairing, and long-range transmission up to 100 meters. To support these systems, Sichuan Tengchen Technology provides specialized charging aviation cases equipped with UV sterilization and negative oxygen ion deodorization technologies. Beyond hardware, they develop system software and QR code-based explanation equipment to modernize visitor experiences.
Sichuan Tengchen Technology is ISO 9001 certified and maintains a commitment to quality and innovation, holding multiple patents and trademarks. With a workforce of 11 to 50 employees, the company has established a robust domestic distribution network across more than ten provinces and serves high-profile clients such as CRRC, Haier, and UESTC. The firm is actively expanding its international trade operations and developing new technologies in smart navigation and hearing assistance to meet global market demands.
Rechargeable Professional Wireless Audio Guide System with Laser Pointer for Tours and Conferences$6265
Wireless Tour Guide System with 1 Main Device 50 Earphones IPX-3 Water Resistant VHF/UHF Frequency Exhibition Conference Use$87089
Direct Factory Supply Long Range Dual-Laser Wireless Audio Guide Earhook Walkie Talkie IPX-3 Water Resistant UHF for Tours$266.1
Wholesale OEM Mini Portable Wireless Tour Guide System Digital Transmitter and Receiver$11563
2.4GHz Mini Wireless Tour Guide System Audio Headset Microphone for School Conference for Radio Guide Simultaneous Walkie Talkie$283986
Wireless Presenter, Tour Guide Machine, One to Many Headphones, Enterprise Conference, Business Reception$2846.59
Whisper Headset Audio Speaker Tour Guide System Wireless Remote Transmitter Receiver Customizable Logo Function IP Walkie Talkie$89369.73
Custom Wireless Tour Guide System Audio Headset Transmitter for School Teaching with Charging Cable Walkie Talkie Functionality$132976.67
Wireless for Bluetooth Headset Guide System Simultaneous Interpretation Walkie-Talkie for Travel Group Conference Package Series$59292.6
2025 New Wireless Tour Guide System Noise Cancelling USB FM for Bluetooth Headphones Handheld Walkie-Talkie for Scenic Spots$373387.05
2025 New Wireless Tour Guide System Noise Cancelling USB FM for Bluetooth Headphones Handheld Walkie-Talkie for Scenic Spots$20389.52
Wireless Headset for Explanations, Tour Guide Explanations, Factory Training Meetings, Tours Charger$23
Shenzhen Tencen Information Technology Co., Ltd., founded in 2003, is a manufacturer and trading company based in Shenzhen, China, specializing in flash memory-related products. With 11 to 50 employees, the company is recognized as a top-ranked producer and qualified Solid State Drive supplier in China. They offer a comprehensive range of computer storage products, including Disk On Module (DOM), Solid State Drives (SSD) across various interfaces (SATA, PATA/IDE, ZIF, CF), Flash On Disk (FOD), and IDE Flash Disks. Tencen provides OEM services and holds CE, RoHS, and FCC certifications, ensuring high-quality standards. The company operates a factory and has extensive international trade experience, exporting products to numerous countries including India, Russia, America, and England.
SATA SSD (SATA6000)
IDE Flash Disk
DOM
Tencen IDE 40pin 128MB-16GB Dom (DT-001)$6.5
Tencen 2.5'' IDE Connector SSD With 8GB-128GB (DT-010)
Tencen CF 1GB-32GB SSD (DT-009)
Tencen IDE 44pin 128MB-16GB DOM (DT-002)$6.5
Tencen ZIF SSD 4GB-64GB (DT-008)
Tencen PCI-E SSD (DT-007)
Tencen SATA 7pin 128MB-32GB Without House DOM (DT-004)$6.5