野花视频在线观看免费观看6 - 野花视频在线观看免费播放在线观看 - 野花视频在线观看免费观看1 ,亚洲AV乱码二区三区涩涩屋_亚洲av中文日韩二区_中文字幕av高清片_无码久久精品国产AV影片 ,18禁真人床震无遮挡国产,日韩欧美亚洲综合久久影院,yy4416私人影院无码,女人裸体啪啪拍无遮挡动态图

Liaoning Tonglida Technology Co., Ltd., established in July 2010, is located at No. 4, Great Wall Street, Dongdaihe New District, Liaoning Province. It is a large-scale backbone enterprise producing pressure vessels and heat exchangers.

The predecessor of the company was established by the overall relocation of Qinhuangdao Tonglida Container Business Department to Dongdaihe New Area, Liaoning. Qinhuangdao Tonglida Company was founded in 1998. It has dozens of patented technologies such as invention and utility model patents in the manufacture of forced heat exchanger, mastered the core new technology of energy-saving heat exchanger, improved the thermal efficiency of heat exchanger, and played a leading role in energy saving of heat exchanger in domestic petrochemical industry. At present, the company has design qualification of Class I pressure vessel, Class II pressure vessel, A1 and A2 pressure vessel manufacturing qualification, and has a production capacity of 10000 tons/year. It has more than 180 sets of large and medium-sized production equipment, such as large cranes, automatic welding machines, plate rolling machines, Lincoln welding machines, plasma cutting machines, special lathes, etc., and has also purchased high-precision testing equipment, such as X-ray machines, flaw detectors, projectors, thickness gauges, etc., equipped with dozens of computers, and realized local networking for product design, development and management, and achieved office automation, management programming, and production standardization.