NiteRay Electronic Co. Limited was set up in 2003, Focus on AC/DC power adapter, DC/DC cigarette charger; Smart charger, battery charger; As well as SIP door phone for home and office use.

Excelltel Technology Co., Ltd. Was established in 1999 in Foshan, China. We are a manufacturer which is specialized in developing and producing PBX system equipment. Our factory has attained ISO9001 certification, and most of products have attained CE and CCC certifications. With high standards of production and strict monitoring system of quality, its products have been constantly exported to many countries over the world.

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.

Shenzhen Sachikoo Yongfa Technology Co. Ltd established in 2009, is a professional hotel room equipment manufacturer, specialized in the researches, developments, manufactures and sells of hotel telephone, safe box, minibar fridge, electric kettle tray set, hair dryer, emergency flashlight and so on.

Power & Grace specializes in design and manufacturing of Public Address System (PA), Professional Audio System and Portable Speaker Series. With power amplification, loudspeaker, and PA system management engineering resources all located under one roof. Power & Grace uniquely leverages these technologies to deliver products and systems that far outperform the sum of their parts - providing compelling solutions for audio and professional installed sound for customers worldwide. Power & Grace advances in manufacturing and quality control processes. The company manufactures in its 8, 000 square meter, state-of-the-art factory, located in Guangzhou. Utilizing a compliment of demand planning, parts procurement, operations and logistics, computer-controlled system, and rigorous testing and control, our facility is designed with build-to-order flexibility, giving the company unprecedented ability to respond to customer needs while keeping both parts and finished goods inventory at well-maintained levels.

Guangzhou Temeisheng Audio Technic Co., Ltd. Specializes in design and manufacturing of Public Address System (PA), Professional Audio System and Portable Speaker Series. With power amplification, loudspeaker, and PA system management engineering resources all located under one roof. Guangzhou Temeisheng Audio Technic Co., Ltd. Uniquely leverages these technologies to deliver products and systems that far outperform the sum of their parts - providing compelling solutions for audio and professional installed sound for customers worldwide. Guangzhou Temeisheng Audio Technic Co., Ltd. Advances in manufacturing and quality control processes. The company manufactures in its 8, 000 square meter, state-of-the-art factory, located in Guangzhou. Utilizing a compliment of demand planning, parts procurement, operations and logistics, computer-controlled system, and rigorous testing and control, our facility is designed with build-to-order flexibility, giving the company unprecedented ability to respond to customer needs while keeping both parts and finished goods inventory at well-maintained levels.

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.

Shenzhen Tangxin Technology Co., Ltd., built up in April, 2003, is a high-tech enterprise that is engaged in professional communications software product development, production, and sales. We have sprung up rapidly in the field of telecommunication by high professionalism and popular technology. Through years' unremitting efforts, we have put out the 'WS Charge Software', 'Tansonic PBX Charge Software', 'Tansonic Phone Recording System', 'Tansonic Mini Call Center system' and a series of products. These products have been widely used in Hotel, Service center, Finance, Electric power, Police, School, Hospital, Aviation, Railroad, Factory and some enterprises.