91精品91久久久中77777,精品无码丰满少妇12p,一级a做一级a做片性视频水里,亚洲蜜臀AV乱码久久精品蜜桃,一级毛片A女人刺激视频免费

Engineering Installation > ENGINEERING CASE

1000m3 Gas Tank Installation

Time:2014-6-26

Gas holder is thin weak roof structure, shape structure is large, the geometry size difficult to control, and has a lot of high-altitude operations, construction and welding is difficult, short construction period. Shandong Chemical Design Institute 10000 cubic metres of gas holder after my company to formulate reasonable installation and welding process in the specified time limit, quality and quantity to complete 2 sets, was highly praised by the design and use.


In a sand, anticorrosion

Bell production site

? 2014 Chengdu Zhiyuan Machine Science & Technology Co., Ltd. / TEL:028-85266505 85266063 85266506 / FAX:028-85266506-8009 / Email:cdzykj2002@163.com
ADD:D1-1301, Fund International Plaza, No. 6, Hangkong Road, Chengdu, Sichuan

91精品91久久久中77777,精品无码丰满少妇12p,一级a做一级a做片性视频水里,亚洲蜜臀AV乱码久久精品蜜桃,一级毛片A女人刺激视频免费