GOST-R
![GOST-R](https://hb-steel.com/wp-content/uploads/2020/11/GOST-R_副本_pro.jpg)
ISO 9001 : 2015
![ISO](https://hb-steel.com/wp-content/uploads/2020/11/ISO-水印_副本_pro.jpg)
PC of SGS
![PC](https://hb-steel.com/wp-content/uploads/2020/11/PC_01-水印_副本_pro.jpg)
Since 1983, RAYOUNG/JINSHENG has specialized in products meeting standards for GB, GOST, EN, DIN, JIS, SANS, API, MSS, and ASME codes.
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