China Oilfield Services Limited Class H Overview

China Oilfield Services Limited Class H Research & Development

Research & Development expenses for CHOLF.

Quarterly R&D Expenses

$251.48M

↓ 4.88% YoY

As of Mar 31, 2026

Annual R&D Expenses (TTM)

$1.45B

↑ 10.85% YoY

Trailing 12 months ending Mar 31, 2026

Average R&D Expenses (Comparison Companies)

Research & Development History

Research & Development Comparison

Annual Research & Development Growth Rate (%)

Annual Research & Development Growth (Absolute)

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Total Revenue Cost of Revenue Gross Profit Research & Development Selling, General & Admin Operating Income Other Income Expense Net EBIT Income Tax Net Income Profit Margin