sheng xiang guo,Suzhou Rivow Steel Tube Co.,Lt
 
1.ASME SA106
2.ASME SA179
3.ASME SA192
4.ASME SA210
5.ASME SA213
6.ASME SA335
7.API SPEC 5CT
8.DIN17175
9.BS3059
10.JIS G3454
11.JISG2461
     
At YS Inc., quality is an integral part of every step, not just a check point at the end of production procedures. We posses a completely quality controlling and guarantee system, that means the highest quality is built into every production step.
Incoming tube lots are sampled, sectioned, tested, inspected and saved as a check point to provide the quality assurance of the final product.
Every test for quality guarantee is performed at our laboratory, assuring full set quality controlling will be in a good condition both in semi-products and finished. By performing this step, we are able to control the procedure and guarantee a full and complete every pipe.
We know that the products quality is the life of our company, that is why we emphasize quality as our most important selling point and it is why our customers continue to rely on us to keep the long term business relationship.