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U-pipe
Coil pipe
Welded steel pipe
Three-head spiral pipe
currugated heat pipe
Quanlity

Normalize and implement the process regulation strictly,precision and complete test method.The quality is not only the inspection of final working procedure in productive process but also exists in complete process of fabricating product.We implement a complete and reasonable quality management system.Each batch and plenty of pipe use dynamic quality control,sampling and test.The inspection runs through complete process of production.The record of inspection will act as the judgment and guarantee of final product quality.
In2000,this enterprise had passed the authentication of quality managerment system of ISO9001:2000
To control the quality of product strictly is the guarantee for enterprise to exist in vigor and also the foundational causes for customers to hold cooperative causes with us for a long time.

Direct reading optical spectrum test
Pull、flaring\bruising\crimping test

Metallographic analysis
Intercrystalling corrosion test

Rockwell hardness test
Eddy current

Hydraulic test
Hydraulic test
 

Air pressure test in water		  

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Tel:0519-88731138 88738138 Fax:0519-88736138 Add:Zheng Lu Town, Changzhou, Jiangsu P.C: E-mail:admin@sl-w.com

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