XI‘AN ZZTOP OIL TOOLS CO.，LTD quality control

Standard:API 6A

Number:API6A - 2113

Issue Date:2019-06-21

Expiry Date:2022-06-21

Scope/Range:Casing and Tubing Hangers, Casing and Tubing Heads, Chokes, Blind and Test Flanges, Tees and Crosses, Threaded Connectors, Mandrel-Type Hangers, Gate, Ball, Plug Valves at PSL 1, PSL 2, PSL 3

Issued By:API

Standard:API

Number:6A-1251

Issue Date:2015-04-22

Expiry Date:2017-12-27

Scope/Range:Adapter and Spacer Spools, Casing and Tubing Hangers, Casing and Tubing Heads, Chokes, Cross-Over Connectors, Flanged Connectors, Other End Connectors, Threaded Connectors, Top Connectors, Valves at PSL 1, PSL 2, PSL 3

Issued By:API

Standard:API 16A

Number:0435

Scope/Range:Ram BOP, Ram Blocks, Packers and and/or Top Seals

Issued By:API

Standard:API 16C

Number:0327

Scope/Range:Rigid Choke and Kill Lines and Choke and Kill Manifold Assemblies

Issued By:API

Standard:Measurement conformity

Number:097381

Issue Date:2015-03-04

Expiry Date:2020-03-04

Scope/Range:Measurement conformity

Issued By:Bureau of Quality Technical Supervision

Standard:ISO

Number:HBC21Q0020R0S

Issue Date:2021-01-15

Expiry Date:2024-01-14

Scope/Range:Manufacture of petroleum drilling equipment

Standard:API 16C

Number:16C-0510

Issue Date:2021-10-18

Expiry Date:2022-06-21

Scope/Range:Wellhead Manifold, Wellhead pipeline & fitting

Issued By:API