| We are a leading co***ny with many years¡¯ experience in valve manufacturing .Our co***ny was established in 1984, is a national level non-regional group that integrates the professional R&D, manufacturing, sales and services of pressure vessels. Our group has obtained ISO 9001:2008 quality system certificates from UKAS and CCS, API 6D and API609 certificates from American Petroleum Institution, European Safety Mark, National License for Manufacturing Special Equipment, Type Approval certificate from BV and CCS.
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