European, American thiab Japanese valve kev lag luam tus qauv code
ISO	International Standard	NF	Fabkis National Standard
AISI	American Iron and Steel Institute Standards	ASI	Lub koom haum American Standards Standard
ANSI	American National Standard	JIS	Japanese Industrial Standard
API	American Petroleum Institute Standard	MIL	American Military Standard
BS	British National Standard	ASME	American Society of Mechanical Engineers Standards
DIN	German National Standard	JPI	Nyiv Petroleum Institute Standard
AWS	American Welding Association Standard	ASTM	American Society for Testing and Materials
MSS	American Standardization Association rau Valves thiab Yeeb Nkab Fittings

Hangzhou Fuyang Bonly Casting Co., Ltd. hereinafter raws li Bonly Casting, tsim nyob rau hauv xyoo 2007, yog cov chaw tsim tshuaj paus tshwj xeeb hauv precision casting thiab hom plhaub casting.Bonly Casting npog thaj tsam ntawm ntau tshaj 10,000 square metres, tshwj xeeb hauv kev tsim cov plhaub casting, hauv cov khoom siv ntawm carbon steel, stainless hlau, qis alloy steel, siab chromium cam khwb cia hlau, ductile hlau thiab lwm yam.
Bonly Casting khoom yog dav siv nyob rau hauv ntau qhov chaw ntawm marine, petrochemical, nuclear fais fab nroj tsuag, tshuaj, khoom noj khoom haus thiab lwm yam mechanical teb, exported rau lub tebchaws United States, Nyiv, Canada, European thiab American lub teb chaws thiab cheeb tsam, lub tuam txhab muaj peev xwm tsim txhua xyoo. 6,000 tons ntawm castings khoom.