Shenqianhao, China's First Ship with a Saturation Diving System Allowing Divers to Work at Depths of up to 300 Meters, Goes into Operation on August 6, 2012

Shenqianhao was China's first ship equipped with a saturation diving system allowing divers to work at depths of up to 300 meters. [Photo/sasac.gov.cn]

Shenqianhao, China's first ship with a saturation diving system allowing divers to work at depths of up to 300 meters, goes into operation on August 6, 2012

Shenqianhao, China's first ship carrying a saturation diving system that allows divers to work at depths of up to 300 meters, was delivered to its buyer and started operation on August 6, 2012.

Developed by China Shipbuilding Industry Corporation, the vessel is 125.7 meters long, 25 meters wide and 10.6 meters high, and has a maximum displacement of 15,864 tons.

The ship has a habitat cabin, an adapter module and an escape pod as well as a submarine bell. It is also equipped with a life-support system.

Its completion marked the soaring progress of China's great-depth ocean-diving capacity and its emergency rescue and salvage abilities.

It was also proof of improvement in the country's deepwater engineering.

A modern tram network in Hunnan New District, Shenyang, the first of its kind in China, goes into service on August 6, 2013

The modern tram network in Hunnan New District of Shenyang, capital of Northeast China's Liaoning Province, the first of its kind in China, was completed and went into service on August 6, 2013.

Built by China CNR Corporation Limited (now merged with China CSR Corporation Limited into CRRC Corporation Limited), the tram network consists of four lines, totals 60 kilometers, and has 67 stations.

Operating on the lines are domestically manufactured 100 percent and 70 percent low-floor trolley cars.

Many technologies such as full greening of the monolithic track bed, trough-type steel rail and super-capacitor technology as well as an integrated location system to guarantee signal control, were first developed during the construction.

Tiantong-01, China's first mobile communication system satellite, is launched into orbit on August 6, 2016

The Tiantong-01 satellite, China's first with a mobile communication system, was launched by the Long March 3B rocket on August 6, 2016.

Developed by the Fifth Institute of China Aerospace Science and Technology Corporation, the satellite mainly provides 24/7 all-weather stable communication service for China and its neighboring countries as well as the Middle East and Africa, and most parts of the Pacific and Indian oceans.

The satellite is also used in voice communication, text messaging and data businesses.

Its launch signaled that China had entered the "age of smart phones" via satellite.

(Executive editor: Hao Wen)