Kelly Valves

Standard: API-7-1
Product use: Drilling & hoisting

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Related supplier profiles · 26

Supplier 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.

Beijing JJC Technology Co., LTD

Tianjin · People's Republic of China

Kelly Valves

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Beijing Petroleum Machinery Co., Ltd.

Beijing · People's Republic of China

Drill Stem Subs; Kelly Valves

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Chengdu FulSailing Energy Technology Co., Ltd

Chengdu · Sichuan · People's Republic of China

Kelly Valves

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Chongqing Yinhe Petrochemical Machinery Manufacturing Co., Ltd.

Chongqing · People's Republic of China

Kelly Valves

Certificate dates need review

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Deyang Deruibao New Materials Co., Ltd.

Deyang · Sichuan · People's Republic of China

Kelly Valves

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Dongying Weite Petroleum Equipment Co., Ltd.

Dongying City · Shandong Province · People's Republic of China

Kelly Valves; Drill Stem Subs

Certificate dates need review

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Product use and sources

Transfer torque and lifting force downhole, using drilling tools, structures and circulation systems to reach the reservoir.

Standard description (API source text):

Rotary Drill Stem Elements

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

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