J&R Technology Ltd is established in 2012, our headquarters is located in Shenzhen, China. We are the leading provider of dedicated communication and solutions. We are committed to providing faster, safer, and more stable communication equipment and solutions for customers in public safety, transportation, industry, and a wide range of sectors for daily work and critical moments, helping society to be more efficient and safer.

Established in 1999, Power Universe Technologies is a high-tech enterprise which specializes in research and development (R&D), production and marketing of communications products, providing customized solutions for telecom carriers and end users. Power Universe Technologies' customers include China Telecom, China Netcom, China Unicom as well as, South Korea Telecom, etc.

ECN Co., Ltd. is located in Shenzhen City, South China, engaged in telecom products. Our major products are auto dialer for calling cards, x-SIM dialer for mobile phone, U-SIM unlocker for GSM phone, U-SIM V33G for unlocking iPhone(a SIM to unlock your iPhone), WiFi VoIP phone, WiFi/GSM dual modes mobile phone, GSM fixed wireless phone, CDMA fixed wireless phone, GSM or CDMA fixed wireless terminal, fixed wireless Fax machine etc. Our products auto dialer for prepaid card has been sold to South-east Asia, Mid-east, USA, Romania, Turkey, Germany and Pakistan Bahrain etc.

Shenzhen LETEL Technology Co., Ltd., founded in 2003, is a professional manufacturer of telecommunication and entertainment electronic products. Its products include LETEL series of USB VoIP phones, USB gateways, VoIP gateways, auto dialers and so on.

Speed VoIP, Inc., Is a leading designer and manufacturer of innovative and cost-effective VoIP telephony products, and becomes a major OEM vendor of VoIP terminal products and solutions in the rapidly growing global IP telephony market.

We Shenzhen Sina Company Limited is specializing in the design, manufacture and assembly of Unlock SIM card, Dreambox, SIM card dialer.

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Wuhan Hengda Yanyan Technology Co., Ltd. is located in Wuchang District, Wuhan City, Hubei Province, with convenient conversation and superior geographical location. Mainly engaged in wholesale and retail trade business. In line with the business philosophy of "integrity-based, win-win cooperation", we will provide first-class product supply services for the majority of users.

Chongqing Chimu Technology Co., Ltd. Was established in 2011, we have been engaged in this industry 13 years. Relying on 12 years of deep experience in the communication field and scientific and technological innovation ability, through the integration of multi-brand, full series of communication products resources, with a one-stop service model. Let the network better connect you and me, connect the world, and make "Made in China" can run smoothly in the world. In order to meet the needs of customers, we have eatablished a perfect supply chain system to provide super products with reliable quality and reasonable price. From demestic to international logistics, we have a complete transportation system and services.

Established in 2003, KaiWin Electronics Co., Ltd is mainly manufacturing computer signal cables, communication cables, network peripheral products, all kinds of connection cables for digital devices, USB Cables, LAN Cables, SCSI Cables, DVI Cables, HDMI Cables, Displayport (DP), VGA, SATA, MiniSAS Cables, USB HUB, TYPE-C Adapters, SWITCH, AOC Cables and so on. At the same time, to meet the ever changing demands of our customers, KaiWin Electronics undertakes a variety of special Cables, connectors, OEM orders for the customers all over the world.

Ningbo Joiwo Explosionproof technology Co., Ltd was established in May, 2011, specialized in public telephones and industrial telephones, we enter industrial telephone field and register Joiwo as our trademark. While maintaining our commitment to the principles of quality and customer service, today's Joiwo aggressively applies leading edge technology to solve the world's most challenging communication needs. Our products are widely used in manufacturing sites of steel, vessel, petroleum and chemistry etc...Waterproof grade of all of our telephones reaches IP67.

TOPONE INC was established in Xiamen on Mar 2003, and now becomes one of professional telecommunication device manufacturers in China. We have attracted professional engineers and experts specialized in hardware and software, to develop and manufacture products in electronic communication, With the wide range of products, TOPONE INC is capable to provide "innovated and affordable solutions" to different customers. You can enjoy conference, cost saving and scalability by using TOPONE INC's products.

Shenzhen Shensun Technology Co.,Ltd., is a leading developer and manufactuer of smart card and card involved products in Shenzhen City, China. Our products mainly include SIM/USIM/UIM card, card adaptor, card reader.