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Open supplier searchWellheads, blowout preventers and valves create a controlled pressure boundary between the reservoir and surface operations.
Standard description (API source text):
Wellhead and Tree Equipment
Names and standard mappings come from the API Composite List search snapshot. Product-use groups and Chinese reading aids are OFMP editorial additions, not official API classifications or translations; original English names are retained for comparison. Category snapshot: 2026-10-10
View the API category sourceSupplier profiles are selected by certificate product scope and standard. Certificate records are marked Active by the source; confirm current certificate status, product suitability and supply capability before purchasing.
Suzhou · Jiangsu · People's Republic of China
Casing and Tubing Heads; Cross-Over Connectors; Blind and Test Flanges; Ring Gaskets; Tees and Crosses; Top Connectors; Gate, Ball, Plug Valves; Adapter Spools and Spacer Spools; Mandrel-Type Hangers;…
Huaian · Jiangsu · People's Republic of China
Casing and Tubing Heads; Tees and Crosses; Chokes; Blind and Test Flanges; Ring Gaskets; Check Valves; Gate, Ball, Plug Valves; Adapter Spools and Spacer Spools; Mandrel-Type Hangers; Slip-Type Hanger…
Yancheng · Jiangsu · People's Republic of China
Blind and Test Flanges; Tees and Crosses; Gate, Ball, Plug Valves; Adapter Spools and Spacer Spools; Ring Gaskets; Check Valves; Chokes
Chengdu City · Sichuan Province · People's Republic of China
Back Pressure Valves; Bullplugs; Casing and Tubing Heads; Chokes; Cross-Over Connectors; Blind and Test Flanges; Ring Gaskets; Tees and Crosses; Top Connectors; Valve Removal Plugs; Adapter Spools and…
Chengdu City · Sichuan Province · People's Republic of China
Blind and Test Flanges; Ring Gaskets
Chongqing City · Chongqing Municipality · People's Republic of China
Cross-Over Connectors; Tees and Crosses; Blind and Test Flanges; Ring Gaskets