Chengdu Recen Technology Co., Ltd.

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Sichuan Tengchen Technology Co., Ltd.

🇨🇳 China

2022

11-50 people

Manufacturer/Service Company/Distributor

Own brand

Product customization

Patented technology

Low MOQ

Key customer

CRRC

Description

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.

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Reen Engineering Group Co., Ltd.

🇨🇳 China

2015

51-100 people

Manufacturer/Trading Company/OTHER

High-tech enterprise

Patented technology

OEM manufacturer

Key customer

EBI

Key market

North America

Description

Reen Engineering Group Co., Ltd., established in 2015 in Chengdu, China, is an EPC company and service provider specializing in clean energy and industrial gases. The company operates as a manufacturer and trading company, offering OEM services and employing between 51 and 100 people. Reen Engineering focuses on advanced, energy-saving gas separation and purification, and new energy solutions for industries including petrochemical, LNG, iron & steel, and coal chemical. Their expertise encompasses methanol cracking hydrogen production, natural gas hydrogen production, pressure swing adsorption (PSA) technology, vacuum pressure swing adsorption oxygen production (VPSA-O2), carbon capture and storage (CCUS), and coke oven gas comprehensive utilization. Key product categories include hydrogen plants, PSA units, VPSA oxygen plants, biogas upgrading, CO2 recovery, and desulfurization systems. The company maintains a factory and holds certifications such as ISO 9001, ISO 14001, and ASME. With a significant investment in R&D and over 10 production lines, Reen Engineering exports to a wide range of international markets, including North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East.