EPW50-48A艾默生通信直流开关电源 53.5V2900W通讯设备 广东

　　面向地区

　　北京

　　**

　　华为

　　型号

　　EPW50-48A

　　产品认证

　　其它

　　结构形式

　　其它

　　加工定制

　　额定电流

　　16 A

　　短路关合电流

　　50 KA

　　壳体防护等级

　　24415EG

　　外形尺寸

　　86 mm

　　物料编号

　　525665

　　华为EPW50-48A整流模块

　　The Chinese tower formally submitted the prospectus to the Hongkong stock exchange, and the co sponsor was CICC and Goldman Sachs.

　　According to the book of prospectus, China Tower in 2017 revenue of 68 billion 665 million yuan, pre tax profit of 2 billion 685 million yuan; 2016 revenue 55 billion 997 million yuan, pre tax profit of 106 million yuan; 2015 revenue of 8 billion 802 million yuan, pre tax profit of -47.46 billion yuan. According to the book of prospectus, China Tower in 2017 revenue of 68 billion 665 million yuan, pre tax profit of 2 billion 685 million yuan; 2016 revenue 55 billion 997 million yuan, pre tax profit of 106 million yuan; 2015 revenue of 8 billion 802 million yuan, pre tax profit of -47.46 billion yuan.

　　The prospectus disclosed that as of December 31, 2017, the Chinese tower operates and manages 1872154 stations and serves 2687475 tenants. According to the Sullivan report, as of December 31, 2017 and in 2017, the number of site, the number of tenants and the income of the tower were ranked first among the global telecommunication tower infrastructure service providers. In terms of revenue, the company's market share in China's communications tower infrastructure market is 97.3%.

　　The business of China's tower is divided into three main categories: tower business, room division business, cross industry site application and information business. The revenue from the macro station business in tower business accounts for 97.3% of the company's total revenue.

　　The following is a summary of the China tower business:

　　Tower business:

　　Based on the site resources, we provide station space, maintenance services and power services to the communication operators, and support them through the following two business lines:

　　- macro station business:

　　We help communication operators to achieve wide coverage of mobile communication networks.

　　- micro station business:

　　We help communication operators to realize the supplementary coverage of mobile communication networks in densely populated areas of cities and cities and specific areas outside the city.

　　Room division business:

　　We provide the communication operators with indoor distributed antenna systems, maintenance services, and power services to help them realize the depth coverage of the mobile communication network in the building or tunnel.

　　Cross industry site application and information services:

　　We provide resource services and site based information services to customers in different industries to meet their diversified needs.

　　It

　　中国铁塔正式向香港所递交招股书，联席保荐人为中金公司和高盛。

　　据招股书显示，中国铁塔2017年营收686.65亿元，税前利润26.85亿元；2016年营收559.97亿元，税前利润1.06亿元；2015年营收88.02亿元，税前利润为-47.46亿元。据招股书显示，中国铁塔2017年营收686.65亿元，税前利润26.85亿元；2016年营收559.97亿元，税前利润1.06亿元；2015年营收88.02亿元，税前利润为-47.46亿元。

　　招股书中披露，截至2017年12月31日，中国铁塔运营并管理1,872,154个站址并服务2,687,475个租户。根据沙利文报告，截至2017年12月31日及在2017年，按站址数量、租户数量和收入计，中国铁塔在全球通信铁塔基础设施服务提供商中均位列*。以收入计，公司在中国通信铁塔基础设施市场中的市场份额为97.3%。

　　中国铁塔的业务主要分三类：塔类业务、室分业务、跨行业站址应用与信息业务。其中塔类业务中的宏站业务带来的营收占到公司总营收的97.3%。

　　以下为中国铁塔业务概要：

　　塔类业务：

　　基于站址资源，我们向通信运营商提供站址空间、维护服务与电力服务，并通过以下两个业务线条对其进行支持：

　　－宏站业务：

　　我们帮助通信运营商实现移动通信网络的广泛覆盖。

　　－微站业务：

　　我们帮助通信运营商实现移动通信网络在城市中人口与建筑物密集的区域及城市外特定区域的补充覆盖。

　　室分业务：

　　我们基于室分站址向通信运营商提供室内分布式天线系统、维护服务以及电力服务，帮助其实现移动通信网络在楼宇或隧道中室内区域的深度覆盖。

　　跨行业站址应用与信息业务：

　　我们向不同行业的客户提供站址资源服务和基于站址的信息服务，以满足其多元化需求。