This crane ship is converted from the former nanyang ocean barge , which was converted from part of one 10 , 000t class tanker hull 本起重船改建前为广州救捞局的“南洋”号海洋甲板驳，而该驳船又是利用旧万吨级油轮船体的一部分改装而成的。
2.
This vessel is a harbour crane ship , may also do towing work along coast and mainly be used for the construction of nansha a coastal harbours , load unload heavy cargoes , lifting erection work on water and salvage of wrecks 本船为港内起重船，可在沿海拖航遗，主要用于南沙及沿海港口建设，装卸重大物件水上吊装工程和打捞沉没物体。
3.
This ship is a non - propelled fixed luffing 500t steel crane vessel . this vessel is mainly used to lift and hookup the concrete components , bridge blocks , mechanical electrical equipments for harbours , bays , quays and jetty 建港304为非自航固定变幅式500吨钢质起重船，主要用于中国南海沿海各港湾港口及内河码头和堤岸的混凝土构件桥梁机电设备等吊装工程。
4.
It is a non - propelled crane ship after conversion , operating in ports and calm waters , deploying towing in chinas coastal class ii navigational area and suitable for salvage of sunken ships , harbour construction , lifting of bridge beams sections for erection , loading unloading heavy cargoes as well as offshore oil drilling production platform and other offshore hook - up 本船改建后为非自航固定式起重船，以港口及平水区域作业为主，可在我国沿海ii类航区中调遗拖航，适用于打捞船舶港口建设桥梁吊装装卸重大物件，以及海上石油钻井采油平台和其他海上吊装工程。
5.
In order to find the lifting & installing technology for semi - circular structures adaptable to the poor construction condition and high installation intensity of this project , this paper summarizes common marine lifting and installing technology for large & heavy members and puts forward a new marine installation technology using crane barges according to the structural characteristics of semi - circular structures and working conditions of this project , which has obtained many achievements of innovation in lifting point design , sling design , water filling for settling and marine positioning technologies 为寻求适应本工程施工条件差、安装强度高等特点的半圆体水上吊安工艺，在总结一般水运施工大型构件水上吊安工艺的基础上，根据半圆体结构特点和本工程工况条件，提出了起重船水上安装工艺，在吊点设计、吊具设计、灌水助沉工艺及水上定位工艺方面取得了多项创新成果。
6.
Our business scope includes the designing of various work ship , such as piling ship ( also as lift ship ) , self - propelled split type dump dredge , work barge , semi - submersible barge , floating dock , grab hopper dredge etc . , passenger ship , such as tourist boat , crew boat , ro - ro passenger ferry , frp craft etc . , tug , bulk carrier , container ship , multi - purpose ship , oil tanker , chemical tanker , fishing boat , etc 本公司主要业务范围包括工程船舶（如打桩船（兼起重船） 、自航开体泥驳、工程驳、半潜驳、浮船坞、抓斗式挖泥船等） 、客船（如观光艇、交通艇、车客渡轮、玻璃钢艇等） 、拖轮、散货船、集装箱船、多用途船、油船、化学品船、渔船等各类型船舶的设计。
