Zhejiang Poro Valve Manufacturing Co., Ltd.

Name: API 600
Certificate No: 0032
Range: GATE VAVLE
Reference: American Petroleum Institute

Name: CE
Certificate No: 0036
Range: GATE VALVE, BUTTERFLY VALVE
Reference: TUV Industries Service GmbH

Name: ISO9001:2000
Certificate No: 1531-2004-AQ-RGC-RvA
Range: GATE VALVE, GLOBE VALVE, CHECK VALVE, BUTTERFLY VALVE
Reference: DET NORSKE VERITAS

Name: API6D
Range: Ball valve ,Check valve
Reference: Americal petroleum institute

Name: business lisence1
Range: business lisence1
Reference: WENZHOU administrative bureau for industry and commerce

Name: manufacture license of special equipment people's republic of China
Range: Gate valve, Globe valve, Check valve, Butterfly valve
Reference: General Administration of Quality Supervision, Inspection and Quarantine

Name: manufacture license of special equipment people's republic of china1
Range: Gate valve, Globe valve, Check valve, Butterfly valve
Reference: General Administration of Quality Supervision, Inspection and Quarantine

Name: Patent certificate of check valve and butterfly valve with wedge- caulking
Range: Check valve ,Butterfly valve
Reference: CHINA State Intellectual Property Office

Name: Patent certificate of plane surface butterfly valve and spring sealing butterfly valve
Range: Butterfly valve
Reference: China State Intellectual Property Office(SIPO)

Name: PATENT CERTIFICATE OF THREE WAY BUTTERFLY VALVE
Range: PATENT CERTIFICATE OF THREE WAY BUTTERFLY VALVE
Reference: State Technology invention award Judge Committee

Name: SUPPLY CERTIFICATE OF DAQIN OIL FIELD
Range: SUPPLY CERTIFICATE OF DAQIN OIL FIELD
Reference: Head Office of DAQIN OIL FIELD

Name: 600DS343H-25-BUTTERLFY--VAL
Range: 600DS343H-25-BUTTERLFY--VAL
Reference: CHINA GENERAL MACHINERY INDUSTRY ASSOCIATION

Name: API-609
Range: Gate valve, Globe valve, Check valve, Butterfly valve
Reference: American Petroleum institute

Name: Certificate-of-Environment-
Range: Gate valve, Globe valve, Check valve, Butterfly valve
Reference: BEI JING ZXY management System Certification Co.,Ltd.

Name: Patent-certificate-of-middl
Range: Patent-certificate-of-middl
Reference: State Intellectual Property Office