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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

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

临泉县

普安县

灯塔市

德保县

泰宁县

张家川

永宁县

沧源

两当县

加查县