We can produce GB, DIN, ANSI ,BA, JIS and ISO, the standard specifications and customized special specifications. Our product are also supplied to more than 40 countries, such as U.S.A, Canada, Spain, Japan, Korea, Great Britain, Germany, Italy, Australia, Malaysia,Brazil, Pakistan, Kuwait,UAE, Peru, Ecuador, Uruguay,Iran, India etc. Good quality has been getting more and more priase from buyers at home and abroad.