Management
The company had been certified by iso9001, iso14001, gb/t 28001 since 2009, the applicable standards are asme/ansib16.9、ansib16.11、din2605, etc. The company had obtained its own brand as “yikung” for manufacturing alloy steel, carbon steel and stainless steel full series of piping fittings through gd87-1101、sy/t5257-2004、gb/t 12459 --2005、gb/t13401—2005、hg20592—97、shj408-89、hgj514-87、jisb2311、2312、2316-86.
