国产三级视频一区视频二区_AV无码久久久久_2020最新国产永久在线_热久久综合这里只有精品电影

 
 
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Research and Development

Manufacturing Capacity
Quality Inspection
 
 
Quality Inspection
 
   
  The quality administration is very perfect in SMMC, There is an inspection center within the Group , and there is a inspection station respectively in every sub-company, The physical and chemical lab is responsible for check the physical feature and chemical composition of purchasing material, By using the metallurgical phase inspection the thickness and adhesive force of coating is analyzed Inspect the quality of weld seam by X ray ,magnetic powder inspection and ultra conic inspection Inspect the quality of gear by introduced form Germany.
 
   
   
   
Quality Certificate of ISO9001
   
Safety certificate of approval for
coal mining products
Universal metallurgical phase Inspection
   
Project inspection for metal practicality Chemical analyze
   
Physical test
Non-destructive inspection-Ultra sonic crack detection
   
Three coordinate inspection Gear inspection
   
Data inspection
Inspection center
   



 
   
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