公司初创，作为摩托罗拉华东地区最有实力经销商之一。

The company was founded as one of the most powerful dealers of Motorola in East China

无线对讲系统，首创三级合路平台：合路器，分路器,双工器，龙之梦丽晶酒店作为全国第一套“无线对讲系统”由中欧体育承建。

Wireless intercom system, pioneering three-level combination platform: combiner, splitter, duplexer. As the first set of "wireless intercom system" in the country, Longzhimeng Lijing Hotel was constructed by Lielong.

上海国金中心，摩托罗拉第一套数字无线对讲系统工程设计并实施完成并获得上海市无线电管理局领导的一致认可。

The design and implementation of Motorola's first digital wireless intercom system project at the Shanghai Guojin Center have been completed and unanimously recognized by the leadership of the Shanghai Radio Management Bureau.

上海和平饭店，海能达第一套数字无线对讲系统工程设计并实施完成并根据业主需求定制首创无线对讲系统与酒店办公软件平台互联。

The design and implementation of the first digital wireless intercom system project for Shanghai Peace Hotel and Hainengda have been completed, and the first wireless intercom system has been customized according to the owner's needs and connected to the hotel's office software platform.

点频式合路设备研发成功并申请专利，点频式腔体合路器，有源反向分路器，点频式窄带双向信号增强器，报警触点信号处理单元等等。

The research and development of point frequency combiner equipment has been successfully completed and patented, including point frequency cavity combiner, active reverse splitter, point frequency narrowband bidirectional signal enhancer, alarm contact signal processing unit, and more.

多频段系列产品问世，100M/150M/350M/400M/800M等各频段设备可进行跨频段合路，共用专网天馈系统。

The multi band series products have been launched, and devices in various frequency bands such as 100M/150M/350M/400M/800M can be combined across frequency bands to share a dedicated network antenna system.

新一代D系列产品，在数字集群技术领域有新的突破，成为拥有自主研发主设备及手持终端设备的无线对讲系统方案解决商。

The new generation D series products have made new breakthroughs in the field of digital cluster technology, becoming a wireless intercom system solution provider with independently developed main equipment and handheld terminal devices.

新一代L系列产品，针对特种行业(医疗综合体，厂矿企业，管廊隧道等)的产品，有防水，防尘，防爆等级要求。

The new generation L series products are designed for special industries such as medical complexes, factories and mines, and pipe galleries and tunnels, with requirements for waterproof, dustproof, and explosion-proof levels.

规范标准参编，作为国家第一套无线对讲系统行业规范标准的参编单位之一。

As one of the participating units in the compilation of the first set of industry standard specifications for wireless intercom systems in China, we have participated in the standardization process.

万物互联，通过中欧体育自有技术实现了对讲与多个弱电系统完成了互联。

Everything is interconnected, and through Lielong's proprietary technology, intercom and multiple weak current systems are interconnected.