date：2012-06-29
On June 29, 2012, the General Administration of Quality Supervision, Inspection and Quarantine and the National Standardization Management Committee i...
date：2012-06-06
On June 6, 2012, the State Quality Inspection and Quarantine Letter [2012] 283 of the General Administration of Quality Supervision, Inspection and Qu...
date：2012-03-20
On March 20, 2012, the company's project "Development of National Standard Samples for Sinter, Pellet and Pyrite" won the second prize for the pro...
date：2011-09-29
On September 29, 2011, the documents of the General Administration of Quality Supervision, Inspection and Quarantine and the National Standardization ...
date：2011-06-27
From June 25 to 26, 2011, the company passed the supervision and evaluation of the producer capacity of standard materials/standard samples by the Nat...
date：2011-06-15
The National Standard Sample for Spectral and Chemical Analysis of Silicon-Copper-Zinc Cast Aluminum Alloy developed by our company on June 15, 2011 h...
date：2011-05-24
On May 24, 2011, General Administration of Quality Supervision, Inspection and Quarantine of the State Administration of Quality Supervision, Inspecti...
date：2011-04-12
On April 12, 2011, the company's two projects, "Development of National Standard Samples for Iron Ore Series" and "Development of National Standar...
date：2010-11-16
The National Standard Samples for Spectral and Chemical Analysis of 3 Series Cast Aluminum Alloys developed by our company on November 16, 2010 has be...
date：2010-06-23
On June 23, 2010, the two projects of our company, "National Standard Samples of Copper Ore and Copper Concentrate" and "National Standard Samples of ...
date：2010-04-23
In compliance with the requirements of ISO Guide 34 and ISO/IEC 17025, the company has passed the "Standard Material/Standard Sample Producer Capabili...
date：2009-05-13
On May 13, 2009, the State Administration of Quality Supervision, Inspection and Quarantine (AQSIQ) QSIQ Letter [2009] 258 "Notice on Approving 121 Na...
午夜时刻免费实验区观看|
久精品国产欧美亚洲色aⅴ大片|
国产成人精选视频在线观看不卡|
国产爆乳无码一区二区麻豆|
国产无码AV|
亚洲精品无码精品MV在线观看|
