1.
Experimental Study of Laser Girth Welding for Line Pipe Steel X100
X100管道钢环缝激光焊接的试验研究
2.
The Adhesive Bonded Technique Study of the Joint between the FRP Pipe and the Steel or the Steel Part;
玻璃钢管道与钢管及钢管件胶接技术研究
3.
Gangsu pipelines( water supply Chensu pipeline), and pieces, manufacture, marketing.
钢塑管道（水衬塑管道）管件、造、售。
4.
The Research on Selection of Marketing Channel of Big Size Steel Tube of Heng Steel Valin;
华菱管线衡钢大无缝钢管营销渠道选择研究
5.
Choi steel activities room, stainless steel products, plastic pipe manufacturing.
彩钢板活动机房,不锈钢制品,塑料管道制造.
6.
Research on Design Method for the Steel-lined Reinforced Concrete Penstock on Downstream Dam;
坝后钢衬钢筋混凝土压力管道设计方法研究
7.
Design and research of steel-lined reinforced concrete penstocks of Three Gorges hydropower station
三峡水电站钢衬钢筋混凝土压力管道设计研究
8.
The Optimum Design of Double Steel Liner-reinforced Concrete Penstocks
双钢衬钢筋混凝土压力管道的优化设计
9.
Application Study on Cathodic Protection for Steel Pipeline and Storage Tank
钢质管道与钢质储罐阴极保护若干问题的探讨
10.
Standard for welding and acceptance of steel pipings and pipelines
钢质管道焊接及验收标准
11.
Standard for the control of internal corrosion in oil and gas transmission and distribution steel pipelines
钢质管道内腐蚀控制标准
12.
Standard for AC influence drainage protection of buried steel pipeline
埋地钢质管道交流排流保护技术标准
13.
Standard for D.C.drainage protection of buried steel pipelines
埋地钢质管道直流排流保护技术标准
14.
Code for structural design of buried steel oil and gas transmission pipeline
埋地输油输汽钢管道结构设计规范
15.
Technical standard for construction of steel piping in petrochemical industry
石油化工钢制管道工程施工工艺标准
16.
Code for construction and acceptance of fiberglass reinforced plastic pipeline
纤维缠绕玻璃钢管道安装与验收规程
17.
Process of cement mortar lining with coating machine on the inside surface of steel pipes
钢质管道水泥砂浆衬里涂敷工艺
18.
Technological process of the pneumatically-pigsqueezed cement mortar lining for steel pipeline
钢质管道水泥砂浆衬里风送挤涂工艺