精品啪在线观看国产九色_一区二区不卡区日韩_兰花草电影在线观看_狠狠色丁香婷婷久久_国产极品美女高潮无套175_飘雪电影完整版在线观看免费_自拍欧美日韩在线_日韩爆乳无码中文字幕网站_中文字幕有码免费一区二区_80岁耋耋ChⅰheSe老太交

Location:Home?>?Sustainable Development?>?Technical Innovation?>?Construction Methods
Construction Methods

CREC highly values the development and application of new technology, new craft, new material and new equipment. The Company continues to strengthen technology accumulation, enhance construction method development, and improve construction technique as well as management capability to accelerate the generation of fruitful results.

By the end of 2015, CREC holds 166 National Grade Normalized Construction Methods and 1,630 Provincial and Ministerial Grade Normalized Construction Methods.