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China Energine

China Energine is a Hong Kong-based, Cayman Islands-incorporated aerospace-affiliated holding company involved in wind power and telecommunications equipment.

Last updated August 31, 2026

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Overview

China Energine International (Holdings) Limited, commonly known as China Energine, is a Hong Kong-based holding company incorporated in the Cayman Islands. It developed from CASIL Telecommunications Holdings Limited, a telecommunications-focused listed company spun off from China Aerospace International Holdings Limited in 1997. China Aerospace International Holdings was a subsidiary of China Aerospace Science and Technology Corporation (CASC), the Chinese state-owned aerospace conglomerate. Through this lineage, China Energine was classified as a red chip company: a company incorporated outside mainland China but controlled by mainland Chinese state interests and listed in Hong Kong. The company became publicly listed on 11 August 1997. Its original business was associated with telecommunications equipment and services, and the former CASIL Telecommunications name was commonly shortened to CASIL Telecom or Castel. In 2008, the group injected a wind-power business into the listed company and changed its corporate name to China Energine International (Holdings) Limited. The Energine name was intended to combine the ideas of energy and engine, while the Chinese name 万源 referred to a broad or abundant source of energy. The group's stated slogan was “from engine to new energy.” The Castel brand continued to be used by China Aerospace Telecommunications Limited, a Hong Kong-incorporated subsidiary, rather than disappearing entirely after the corporate renaming. China Energine's reported activities therefore combined two principal areas: wind-power development and manufacturing or supply of telecommunications equipment. Its corporate structure reflected the broader aerospace and industrial portfolio of CASC. In the ownership chain described for the company, Astrotech Group Limited held the controlling interest, with Astrotech linked to China Academy of Launch Vehicle Technology and ultimately to CASC and China's State-owned Assets Supervision and Administration Commission. At 31 December 2007, the controlling chain was reported to hold 73.10% of the listed company through CASC-related entities. By 31 December 2016, Astrotech Group Limited was reported as holding 60.64%. The company had a reported market capitalization of approximately HK$2.752 billion on 30 June 2016; this historical figure is not a current valuation. China Energine also attracted governance scrutiny in 2016 over its failure to remove company secretary Au-yeung Keung after his accountancy registration had been suspended for three years. Publicly available reference material does not establish the company's current operating status, listing status, or whether its businesses remain active, so those aspects require verification.

History

China Energine originated as CASIL Telecommunications Holdings Limited, a telecommunications company spun off from China Aerospace International Holdings Limited in 1997. China Aerospace International Holdings was connected to China Aerospace Science and Technology Corporation, the Chinese state-owned aerospace group. The new company listed in Hong Kong on 11 August 1997, giving the CASC group another publicly traded vehicle and making the business a red chip company because it was incorporated outside mainland China while remaining under mainland Chinese control. The original CASIL Telecommunications business focused on telecommunications equipment and related industrial activities. It was also known in abbreviated form as CASIL Telecom, while the Castel name was used commercially. The group later broadened its scope. In 2008, a wind-power business was injected into the listed company, reflecting a strategic move toward renewable energy. Following that transaction, the company adopted the name China Energine International (Holdings) Limited. The new English name combined “energy” and “engine,” and the corporate slogan described the intended direction as “from engine to new energy.” The Castel brand remained associated with China Aerospace Telecommunications Limited, a Hong Kong subsidiary. The ownership structure remained closely tied to China's aerospace-industrial system. At the end of 2007, China Aerospace Science and Technology Corporation, acting through China Academy of Launch Vehicle Technology and its British Virgin Islands subsidiary Astrotech Group Limited, was reported to control 73.10% of the listed company. At the end of 2016, Astrotech Group Limited was reported as the major shareholder with 60.64%. CASC itself was described as ultimately controlled by the State-owned Assets Supervision and Administration Commission of the State Council. This ownership made China Energine part of the wider family of Hong Kong-listed aerospace-related enterprises, alongside companies such as China Aerospace International Holdings and APT Satellite Holdings. The company's business profile consequently combined telecommunications equipment manufacturing with wind-power activities. Its public identity was less that of a consumer-facing brand than of a corporate industrial platform operating within a state-owned aerospace group. A historical market report placed its market capitalization at HK$2.752 billion on 30 June 2016, but this figure should not be treated as current financial information. In 2016, China Energine became the subject of a governance controversy concerning company secretary Au-yeung Keung. Reference material states that his accountancy registration had been suspended for three years, yet the company did not remove him from the regulated company-secretary role. The matter raised questions about the company's compliance procedures and board oversight. Available reference material does not provide enough information to determine the subsequent resolution, the company's current listing status, or whether its wind-power and telecommunications operations continue.

  • 2016

    Reported controlling shareholder position

    [1]

    Astrotech Group Limited was reported to hold 60.64% of the company at 31 December 2016, linking control to CASC through China Academy of Launch Vehicle Technology.

  • 2008

    Wind-power business injected

    [1]

    A wind-power business was injected into the listed company, which subsequently adopted the China Energine International (Holdings) name.

  • 1997

    Telecommunications business spun off and listed

    [1]

    CASIL Telecommunications Holdings Limited was spun off from China Aerospace International Holdings Limited and became listed in Hong Kong on 11 August 1997.

Products and positioning

An aerospace-affiliated industrial holding company positioned around the transition from telecommunications and engineering into renewable energy, particularly wind power.

  • Renewable energy · 2008

    Wind-power business

    The wind-power business was added to the listed company in 2008. It represented China Energine's expansion from its earlier telecommunications orientation into renewable-energy activities and supported the group's stated transition from conventional engineering toward new energy. The available reference material does not specify particular turbine models, projects, capacities, or geographic installations.

  • Telecommunications equipment · 1997

    Telecommunications equipment

    Telecommunications equipment was the core business associated with the former CASIL Telecommunications identity. Products and activities were connected with the Castel name, which continued under China Aerospace Telecommunications Limited after the listed holding company adopted the China Energine name. Specific product families and current availability are not identified in the available reference material.

Controversies

  • 2016

    Company secretary registration controversy

    China Energine was criticized for retaining Au-yeung Keung as company secretary even though his accountancy registration had reportedly been suspended for three years. The issue concerned the suitability of a regulated officer and the company's governance and compliance controls.

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Brand decisions

  • 2008

    Expansion into wind power and corporate renamingStrategy

    Background

    The company had originated as a telecommunications-focused listed business operating under the CASIL Telecommunications name.

    Action taken

    A wind-power business was injected into the listed company, followed by adoption of the China Energine International (Holdings) name.

    Aftermath

    The transaction broadened the company's stated scope to include renewable energy, while the Castel identity remained with a telecommunications subsidiary.

Sources1 sources

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